Internet and Technology

Computer application to load – flow study of the
 national 330kv transmission network
 (using newton – raphson technique)

                    1 James agajo 2 Sylvester Ehijie Ezewele  3 Awolo C. I.                         

                  Dept. of Electrical and Electronics Engineering                                 

          Federal Polytechnic, Auchi,
               Edo state  Nigeria                                                

                                    Phone: +2348053312732                                                                       

           agajojul@yahoo.com 
                                     
                                                Abstract
Computer application to Load – flow or power – flow
studies involves the determination of the bus
voltages and their phase angles, actute and reactive
powers of a system. The Newton – Raphson method
as it is used in this project [Load flow studies of the
National 330Kv transmission Network] is based on
Taylor’s series and partial derivatives. And the
Jacobian matrix are formulated using this Newton –
Raphson technique. However, the application of
MATLAB program based on the Newton Raphson
method is used in the computation of the voltages
and the sinusoidal wave form of the three phase
voltages of the 330Kv transmission network is also
analyzed.
Keywords:      Voltage ‘V’, phase angle ‘d’, active
power ‘P’, Reactive power ‘Q’.  
 
1.0    INTRODUCTION

Because of large territorial extension of a typical power system, it’s interconnection with neighboring systems and its layered structure, a modern power system can be considered to be composed of several subsystems. Earlier standpoint on power system operation and control was based on underlying assumption of centrality. But a rigidly centralized monitoring and control of a large power system poses many problems load flow analysis or some variation of it has got an extensive use in the operation of modern power system. For an online load flow study, it is necessary to update some of its input data continuously and the output results are also to be used on a real time basis.

For a large power system it means a continuous collection of real time data form various points dispersed in a vast time data from various points dispersed in a vast geographical area, a continuous updating of a large data base and a continuous delivery of its output results to a large number of remote points. All these factors may seriously affect the reliability, speed and practicability of a monitoring and control scheme [1].

If computations for different subsystems of an integrated system are done concurrently using a number of processors, load–flow study can be done in a shorter time. If distributed processing is done in real time, data is to be collected from local points only and a comparatively smaller data base is to be updated locally at regular intervals. Transmission of data over long distance to the central processing computer is reduced when MATLAB is employed. The eastern part of the Nigeria 330Kv grid network consists of Onitsha – Newhaven (96 Km) 330kv transmission line, Onitsha – Alaoji (138km) 330kv transmission line and Alaoji – Afam (25km) 330kv transmission line [4]. The eastern part of the network takes its source from Benin, through the Benin – Onitsha (137km) 330 transmission line this location all in Nigeria. The performance of the transmission line depends on its four parameters; series inductance and resistance, shunt conductance and capacitance. These four parameters are uniform only distributed alone the line.

In a realistic power system, there are large numbers of buses, though; each bus is connected to only a small number of the remaining buses.

In a large power system, there is sparsity due to presents of zero elements. This sparsity help in reducing the bus admittances matrix, that the numbers of elements are minimized. Also, computer memory requirement is minimized, since only non – zero elements are to be stored. This resulted in high-speed computation.

1.1           ECONOMIC IMPORTANCE

Load–flow studies are the essential and vital part of power system studies. Load flow studies are extremely important and essential for power system planning, designing, expansion design and for providing guidelines to power system engineers.

1.3             Importance Of Load – Flow Study In Power  System

Load–flow evaluations provides power flow and voltages for a specified capability of generators’ condensers and tap changing under load transformers as well as specified net interchange between individual operating systems.

1.4       Newton – Raphson Method as Applied to Load – Flow Studies

One of the methods applied to load – flow studies, which can easily be programmed and run in a digital computer is the Newton – Raphson techniques. The load – flow problem can be solved by using the Newton – Raphson technique. Among the numerous solution methods available for load flow studies, the Newton – Raphson technique is considered to be the most sophisticated and important. The Newton – Raphson technique is based on Taylor’s series and partial derivatives [3]. The method is recent, involves less number of iterations to reach convergence, takes less computer time, involves less computation cost and has convergence that is certain. The Newton – Raphson technique is very accurate, and it is independent of some factors like:

Swing bus selection
Transformer regulation and
Numbers of iterations.

The number of iterations needed in Newton – Raphson method is almost independent of the size of the power system.

Convergence can be achieved at a shorter time, if the first iteration is done through Gauss – Seidel technique and then use voltage value obtained for starting the Newton – Raphson iterations. These voltages obtained are used to evaluate active power (P) of every bus except the slack bus and also reactive power (Q) wherever reactive power is specified. The correction of bus voltage is determined by the difference between calculated and specified values. The process of iteration is continued till the difference in the specified and calculated values of the active power, reaction power and voltage magnitude are within the given permissible limit.

In Newton – Raphson technique, partial derivatives of second and higher order are neglected, this assumption requires the initial solution to be close to the final solution [2].

1.5       BUS CLASSIFICATION IN LOAD FLOW STUDIES

In load – flow studies, four quantities are associated with each bus, the four quantities are; active power (P), reactive power (Q), voltage magnitude /V/, and phase angle (d). In a load–flow problem, two of the four quantities are specified and the bus classification depends on the type of quantities specified at each bus. Base on the type of quantities specified, three types of buses are classified. They are;

1.5.1    Generation Bus

1.5.2  Slack or Swing Bus

The summary of the above discussion is given in the table below;

Table 1.1:           Bus classification

TYPE OF BUS

SPECIFIED QUANTITIES

UNKNOWN

Generation Bus

P,    /V/

Q,     d

Load Bus

P,     Q

/V/,  d

Slack Bus

/V/,  d

P,     Q

2.0    LOAD–FLOW EQUATIONS BASED ON NEWTON – RAPHSON  

        TECHNIQUE

Newton – Raphson method can be applied to load – flow problems in a number of ways. The most common is those that uses polar co – ordinates and rectangular coordinates. In practice, Newton – Raphson method using polar coordinates is used. This is because the use of polar form results in a smaller number of equations than the total numbers of equations involves in rectangular form [6]. In this project, only the polar coordinate form will be discussed.

2.1  NEWTON – RAPHSON TECHNIQUE USING POLAR  

       COORDINATES

When the bus voltages are expressed in polar form, Newton – Raphson technique can be applied to the load flow problem.

For any ith bus,

Vi  =  Vi ejdi   – -  – - – - – -  (2.1)

Taking the complex conjugate of equation 3.1, gives

Vi*  =  Vie-jdi   – - – - – - -   (2.2)

Vk  =  Vk  ejdk  – - – - – -  (2.3)

yik   =  yik e-jqik  – - – - -  (2.4)

Where d is the phase angle of the bus voltage and θik is admittance angle.

The complex conjugate of the power injected by the generating source is given as;

Si   =  Pi – j Qi  =  Vi    S    yik  Vk  – - – - -  (2.5)

Substituting the values of equations 3.2, 3.3, and 3.4 into equation 3.5 gives

Pi – j Qi  =     S   Vi Vk yik e-j(θik + dI – dk)  – - – - – (2.6)

Thus,

Pi  =     S     Vi Vk yik Cos (θik  +  di  + dk ) – - – - – (2.7)

And,

Q  =    S   Vi Vk yik Sin (θik + di – dk)  – - – - (2.8)

For n = 2, 3, 4 – - – - n and slack bus is bus 1

The off – diagonal elements are

pi  =  Vi Vk yik Sin (θik + di – dk) for  J1  – - – - – -  (2.9

dk

pi  =  Vi  yik Cos (θik + di – dk) for J2    – - -  – -  (2.10)

 

Qi  =  Vi  Vk yik Cos (θik + di – dk) for J3    – - -  – -  (2.11)

Qi  =  Vi  yik Sin (θik + di – dk) for J4    – - -  – -  (2.12)

The diagonal element are:

pi  =    S    Vi Vk yik Sin (θik + di – dk) for J1    – -  – -  (2.13)di

pi  =   2Vi yii  Cos θii +    S   Vk yik Cos (θik + di – dk) for J2  

Vi           – -  – -  (2.14)Qi  =    S    Vi Vk yik  Cos (θik + di – dk) for J3   – - -  -  (2.15)  

pi  =   2Vi yii  Sin θii +    S    Vk yik Sin (θik + di – dk) for J4, 

Vi     - – - – - -  -  (2.16)

         

2.2  APPLICATION OF NEWTON – RAPHSON METHOD TO LOAD FLOW STUDIES OF THE EASTERN PART OF THE NATIONAL 330KV TRANSMISSION NETWORK

The eastern part of the national 330kv transmission network consists of Onitsha, Newhaven, Alaoji and Afam. For the purpose of this study, Afam (22) is taken as slack bus and given code as Bus 1, Alaoji (18) is taken as Bus 2, Onitsha (17) as Bus 3 and Newhaven (14) as Bus 4. The bus data for the system is given as

Bus Code

Pa

Qa

/V/

d 

PL

QL

Bus Type

1

4.51

0.00

1.03

0.00

0.44

0.21

Swing

2

0.00

0.00

1.00

0.00

2.76

1.34

Load

3

0.00

0.00

1.00

0.00

1.52

0.73

Load

4

0.00

0.00

1.00

0.00

1.32

0.64

Load

 

 

 

 

 

Table 2.0         Bus DataThe line admittance is given in the table below:                                                              

Bus Number

X(PU)

R(PU)

Z = R + jx

y = 1/z

1 – 2

0.0035

0.0005

0.0005 + j0.0035

40 – j280

2 – 3

0.419

0.0049

0.0049 + j0.0419

2.8 – j24

3 – 4

0.0296

0.0034

0.0034 + j0.0419

1.9 – j25

 

 

 

 

Table 2.1         Line Data   The Mutual – Admittances are computed as follows

y12  = y21  =  -40 + j280

y23  =  y32 = -28 + j24

y34  =  y43  =  -1.9 + j25

The Self – Admittances are computed as follows

y11  =  40 – j280

y22  =  y12 + y23 = 40 – j280 + 2.8 – j24 = 42.8 – j304

y33  =  y23  +  y34
y44  =  1.9 – j25
From equation 4.8
Q02  =  -V    V1 V21 Sin (q21 + d   - d   ) – V   V23 Sin
(θ23 + d   - d  ) – (V  ) y22 Sin q22
= -1.0  x  1.03  x  283 Sin 98 – 1.0  x  1.0  x  37 Sin 139
-12  x  307 sin (-82)= -288.7 – 2.4.3  +  304  =  -9
D Q    =  2.76 – (-9)  =  11.76
Q    =  -V    V2 y32 sin (q32 + d   – d  ) – V   V4 y34 Sin
(q34  + d   – d  ) – (V   )2  y33 Sin  q33
= -1 x 1 x 37 Sin 139 – 1 x 1 x 25 Sin 95 – 12 x 49 Sin (-85)
= -24.3 – 25  +  48.8  =  0.5 Q    =  0.73 – (-0.5)  =  1.23
Q    =  -V    V3 y43 Sin (q43  + d   – d   ) – (V  )2  y44 Sin q44
= -1 x 1 x 25 Sin 95 – 12 x 25 Sin (-85)= -24.9  +  24.9  =  0
D Q    =  0.64  +  0  =  0.64
Therefore,

D V    = 0.00368 x 11.76 – 0.00373 x 1.23 + 0.00373 x 0.64 =  0.04

D V    =  -0.00373 x 11.76 + 0.0458 x 123 – 0.0458 x 0.64= 0.017

D V    =  000373 x 11.76 – 0.0458 x 1.23 + 0.0859 x 0.64

= 0.04

Hence,V    =  V    + D V    = 1.00 + 0.04  =  1.04 Pu

V    =  V    + D V     =  1.00 – 0.017  =  0.983 pu

V    =  V   + D V    =  1.00 + 0.04  =  1.04 pu

                                                                                                           

3.0  SYSTEM IMPLEMENTATION

Since we are determining the magnitude of voltages, partial derivatives of the reactive power with respect to voltage magnitude is considered when formulating the Jacobian’s – Matrix. This is so because the flow of reactive power (Q) is not much affected by the changes in the phase angle (d), but affected by the variation in magnitude of bus voltage (DV).

The elements of Jocobian’s matrix are formulated with latest voltages given and computed power (reactive). However, manual computation of load – flow done using Newton – Raphson method is very complex and it very easy and simple. This is shown in Appendix one, which is the MATLAB code that generates computed voltages. The MATLAB program for Newton – Raphson is simpler and contains few lines when compared with MATLAB program for Gauss – Seidel method.

The sinusoidal wave form of the three phase voltage of the 330Kv transmission network is analyzed in appendix two, using MATLAB subplot command.

The beauty of the work – done is the fast convergences of computed values.

Finally, the values obtained when MATLAB is used are in accordance with the once obtained using numerical analysis (Newton – Raphson Technique in polar coordinates to show the bus voltage angles). These values converge with the specified values from PHCN data book, see appendix.

4.0   CONCLUSION AND

Load – flow studies is extremely important and essential in power system analysis. It provides (1) guide line to power system engineers and acts as operating instructor to generating station and substation for relay settings, switching sequence, loading, tap – setting etc.

Informations obtained from load flow studies are used in analyzing the effect of temporary loss of generating station or transmission path on the power flow. Also it help in preparing software for on line operation, control and monitoring of power system.

When digital computers are employed in load – flow studies, it is important to use the Newton – Raphson method.

            RECOMMENDATIONS

i.          Accurate and effective load – flow studies should be done to provide required information for power system operation.

ii.         The initial solution for the values obtained should not be very for from the actual solution.

iii.        The Newton – Raphson method should be analyze by using computer program such as MATLAB.

REFERENCE

[1]        Gupta, J.B. A Course in Power Systems, Tenth Edition, S.K. Kataria & Sons, 2006.

[2]        Gupta, B.R. Power System Analysis and Design, Second Edition, Whereler Puplishing 1997.

[3]        Stevenso, William D, Elemement of Power System Analysis, Second Edition, Mchraw Hill Book    Company,     New York, 1962.

[4]        Anazia, E. Lecture Note on Power System analysis.

[5]        www. Weley. Com

[6]        Suml S. Rao, Switchgear Protection and Power Systems, Eleventh Edition, Khanna Publishers, 2004.

[7]        www. Synergetix. Com/tech/source book/material.

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A, Google and apple: rat race

Now, in the mobile Internet field had two of the most dazzling star is an apple and Google.

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Second, open and close: each has his strong point

Say to the open and Google Android apple cisco iOS closed, it is optimal ripe bad? This is not to generalize, in fact they each has his strong point.

The advantage of the open system mainly reflects in: first, the system of the code open up to the outside world, can let the developers have bigger play freedom; Second, can lower the cost of development; Third, can have the more broad cooperation space, such as the current and apple Android cooperation manufacturer much more special; Fourth, the application of the audit process is simple.

The advantage of a closed system mainly reflects in: first, the system standard, the system’s vulnerabilities less; Second, a unified interface and interactive design, to bring a better user experience; Third, the master of the system code number of manufacturers, the corresponding terminal type less less, it is necessary to develop application version number is less; Fourth, the development of application is more normative, frame rate under low.

The open system mainly embodied in the disadvantages: first, a system of freedom after result in modifying more holes; Second, the developers have to deal with DuoZhong terminal type, and then increased workload; development disguised Third, the development of application is low, and regulating the procedures under the frame rate is higher.

The inferiority of closed system mainly reflects in: first, developers, not certain degrees of freedom, many things can’t modify the bottom; Second, the application of the audit process is more complicated; Third, can’t and terminal manufacturers extensive cooperation.

Three, opening and China: more fit

The world everything has a long have short, Google Android and apple iOS is no exception. As long as they give full play to their strengths, based on their own market can field. We will further think is, for Chinese companies, what exactly is the open system, or closed system? The author thinks that, from the overall, open intelligent operating system is more suitable for national conditions of China.

First, open free application to larger ratio, it is more suitable for China’s national conditions. Now open Google’s Android Market proportion far outweigh the apple free application cisco iOS App Store of free application. According to the statistical data DISTIMO in March 2011, the number of Android applications free has reached 134000, compared to the iPhone 122000 free application, has more than 12000 DuoGe number. And this premise or based on Android Market applications than App Store total application under the premise of less. In fact, the free application number more Android maybe in China will have even more market, because according to China’s current consumption level, most users more like free application. Of course, in the application of free users have to bear more of the embedded advertising, advertising and embedded way at creative will appear to be more important.

Second, China will need more open than the global system of support in the smart phone, low price. According to the Juniper Research for the next five years (from now to 2016 years) smartphone market, is expected to go on five years the biggest smartphone market is cheap smartphone (151-399). Worldwide have this kind of demand forecasting and for income level is not high in China will need to lower the price of more smart phones. In fact, a friend in the first quarter of 2011 released by the union data also showed that the domestic Android. The report says: over the past six months, the flow and application of domestic Android user to quickly growth; Android is two head growth trend terminal, high-end and low-end machine machine share in gradually increasing. Believe that the next several years, China in the low price of smart phones will demand more big.

Third, the Android in China second city will make the rise of domestic enterprise benefit. In the first quarter of 2011 friends union domestic Android data indicate that the distribution of provinces and cities to see, from second city in the Android share growth; Second city homebred brand relative higher share of; Local application store is domestic user obtaining the main channel of the application of. This information for the domestic mobile terminal manufacturer and application developers are the Gospel. On the one hand, the next few years 1500 yuan of the following Android low-end machine market will is domestic mobile phone manufacturer, the chance of terminal, of course, this level of mobile phones may be relatively weaker consumer spending in the second city will be more popular; On the other hand, because Android application store for China to pay limits, and foreign Chinese version of the application, the insufficient for domestic application developers and application platform providers are offering more opportunity. Of course, suggest the application of domestic developers can best provide free and at the same time pay two versions, after all, can’t forget mentioned in the Chinese consumer habits.

In short, generally speaking, the open Google Android operating system for intelligent Chinese enterprises may bring more opportunities, especially intelligent mobile phone manufacturer and application developers. This is mainly because of the opening of the Google Android and the cooperation space bigger, and Android free program higher proportion and Chinese consumers spending overall lower reasons. Hope that domestic relevant enterprises can grasp opportunity is improved by leaps and bounds, with the mobile Internet pace

There are a number of mobile operating systems, but five major players have floated to the top, dominating a major chunk of the market. It used to be that people chose their phone only by their carrier and what brands they offered. Today many choose their phone based on the manufacturer and its operating systems features.

Symbian: 31% of all mobile phones run this open-source operating system, most of which are “feature phones,” otherwise known as dumb phones, as opposed to smartphones. Nokia is the largest shareholder and customer. Other brands whose phones run Symbian include Fujitsu, Samsung, Sharp, and Sony Ericsson.

Symbian’s worldwide market share has declined from over 50% in 2009 to about 30% in 2010. Last month, Nokia announced a partnership with Microsoft, which will replace Symbian OS with Windows’ operating system.

Windows Mobile 7: Less than 5% of all mobile phones run Windows Mobile 7, which took over where Windows Mobile left off.

This is a closed-source operating system that can be managed through Microsoft Exchange. Microsoft’s mobile industry market share has recently slipped quite a bit, leaving the future of Windows Mobile 7 uncertain.

BlackBerry RIM: BlackBerrys running this closed-source operating system make up 15% of all mobile phones. BlackBerry RIM began as an enterprise solution, and still is for the most part, but a consumer base has developed. Businesses like BlackBerry RIM because enhanced end-to-end encryption is standard with BlackBerry Enterprise Server. BlackBerry RIM meets the Department of Defense’s requirements, and it’s good enough for the President.

This system supports over 15,000 applications, and over two million are downloaded daily.

Apple iOS: 16% of all mobile devices are iPhones or iPads running Apple iOS. This is a closed-source operating system. Currently, Apple iOS supports over 400,000 applications, including third party applications as of July 2008, which have been downloaded over 10 billion times.

Google Android: 33% of all phones run Google Android, an open-source, Linux-derived operating system backed by Google, along with major hardware and software developers that form the Open Handset Alliance. (Intel, HTC, ARM, Samsung, Motorola, and eBay, to name a few.) Google operates the official Android Market, which contains over 150,000 applications, with an estimated 3.7 billion downloads.

In summary, I’ve had plenty of Symbian-based phones, but at this point, I’ll may never have one again mainly because they are more feature than smart. I’ve never had the type of job that requires a BlackBerry. Many love the Android operating system, and though it has its detractors, I do love Google and may consider Android. But for now, I’m still in awe of my iPhone.

Robert Siciliano is a personal security expert contributor to Just Ask Gemalto.

A few days ago I attended a health seminar where one of the speakers informed us that the life span of younger people is shorter than that of older people due to environmental issues and the effect of technology specifically computer use. The speaker said that a lot of cases this speaker was seeing of health issues presented by patients were not what was seen years ago.

That is why I am writing this blog today. Here is the problem  – we have been programmed over time to become careless with our health and that making responsible lifestyle choices was become unimportant as we can just pop in a pill and all will be well. We are all learning that that is not necessarily the case and that modern medicine may in some case not be as effective as grandma’s old herbal and healthy food and lifestyle choices disease prevention medicine. That is because grandma’s methods are based on the natural ways our bodies were created to operate

Many people are disappointed because they can no longer live carelessly and expect to pop a pill and be well when the consequences of their action kick in.

Look at the bright side the old saying” prevention is better than cure” may actually be true and cheaper, a good reason to be happy at the fact that we can actually reduce our health care bills in these tough times by being proactive. Let us try and understand what is going on by putting ourselves in the academic mode and trying to understand the seriousness of our dilemma.

 Why do we have to be proactive? Why can the body not fix itself? The answer is very simple. I will put it this way; the human body is like an extraordinary computer system that has many computer systems in it. Think of the human machine (body) as a gigantic company that has about 10 million departments and that employs about 100 trillion people each with their own individualized computer system operating 100 million software programs each. Imagine that this company is connected to 10 billion other companies to form one huge global corporate system and this system is connected to several billion other systems (the whole universe as one interconnected company) with the same kind of complexity. Also imagine that some of the individual worker’s systems operate across company lines, some computers belong to more that one company, some of the software used for business decisions are across company line, some along department wide across the whole system. In addition while some connectivity is limited to 1 company some are limited to several group of companies. You can imagine the complexity of the kind of script or code that would have to be written to handle this system and what it would take to run it. It is humanly impossible to comprehend.

This is how the human system in which we operate and live works. I am now going to apply this corporate structure analogy to explain the complexity of the human body.

 In fact each cell in our body is like an ERP system (e.g. Oracle, Peoplesoft etc.) with 100 million software programs. Each system (human body cell) is connected to other ERP systems with their own 100 million software programs. The body is like having a Gigantic Computer system that has trillions of ERP systems (it is estimated that our bodies contain about 5 trillion cells) in it with each cell system having 100 million software programs running in it. Some software run along the whole structure, some within some structures within the group and some only in each system. Some of the systems are visible to human eyes some are not and can only be guessed at by reading the electrical currents running through the whole system while some are invisible and undetectable and no human equipment can read. Some are neither visible nor can be guessed at. Some of these currents seem to be electromagnetic fields unknown to man but from the body’s activities we know there must be something electrical operating.

 Fortunately for us, we do not have to figure these systems out, as we cannot. We have enough problems figuring out one ERP system. Anyone involved with for example Oracle knows that no one not even the manufacturer knows everything about the system and you have some issues that the company cannot effectively fix when you call up for support and you have to rely on the user group to find out if anyone else has been through that particular incident and what they did and where there are no precedents in some cases you just continue using the system with the problem. That is because it is not humanly possible to guess at all possible things that may occur in a system when it comes into actual production under all possible scenarios during the manufacturing stage because life evolves, businesses run into unforeseen circumstances etc. that bring about forced changes.

Now with the human body it is not a stand alone system, every human is connected. There is connection within the family there is connection with peers, neighbors, colleagues etc. What you do affects others. The whole human system is also connected to everything here on earth, the animals, plants etc. Also to the environment, the air, the ground. The earthly system is also connected to the celestial i.e. sun, moon stars etc. So it is impossible to humanly fix our body system by ourselves

.Fortunately for us as humans we do not have to worry, our creator has made everything to self repair all we have to do is give any part of the system that hurts what it need to self repair and we watch it do so. If we do not, it becomes destroyed or limps along.

That is what the doctor does. Doctors are like step I support systems. They help us identify what is needed for the self repair e.g. medication, surgery, replacement therapies, IVF etc. When for example you have a kidney transplant, we wait for it to begin to bond with the particular system into which it is put. The hard ware and software have to read each other and determine that it is right for the system and begin a slow upgrade to fit in the new system. It goes through the trial period and then full roll out. The roll out is in stages. If the trial period fails you find immediate rejection. If not you have it accepted and medication given for some time until the production roll out is fully operational.

That is why sometimes doctors may make a misdiagnosis because they are not the creator and you can only go as far as yourself and others have guessed things. That is why sometimes the doctors tells you to pray for a miracle and sometimes only miracles can even diagnose what is wrong in some cases. In others, both diagnosis and identifying the repair kit and even getting the right kind and version of repair fix or patch needs a miracle. Sometimes everything is identified but loading needs a miracle.

With the above analysis, I hope I have been able to get you to get off the couch of no action and to begin to take the burden from off your doctor and take responsibility for your health. We will all need to do this if we want to maintain the increase in life span that we have achieved so far.

The advent of the computer and its indispensable nature to our way of life means we are now violating some of the basic principles that keep us alive and in good health. Afew of these violations are:

We look directly at a source of light the computer monitor contrary to our natural way of not looking directly at the sun our natural source of light
Computers when operating reduce the negative ionization of the air around us contrary to the high negative ionization level natural for our existence and maintenance of good health
We work in offices that have closed windows that do not allow fresh air in. Consequently the air around is depleted of good fresh Oxygen and has more than enough abundance of carbon which when we breathe in is not very good for our health
The operation of computers dries up the air around us
The light from the computer screen because it is not recognized as light by our brain does not activate the blink system that enables our eyes remain moisturized. In addition, the stress control that the split second blink time provides our brain is missing. There is research that shows we blink 66% less when on the computer.
When on the computer we have limited body part movement contrary to our natural way of moving all parts of our bodies when carrying out any function.

 All the above and the other violations that occur from the computer use environment result in the overburdening of the body’s stress management system. If we do not take responsibility for our health by taking some lifestyle, exercise, dietary etc. measures to enable the body enhance its stress management system, over time, the continuous and cumulative depletion in neurotransmitters and minerals and other nutrients will take its toll resulting in health problems that are hard to resolve and sometimes resulting in a career loss if not loss of life.

 It is for this reason I continue to warn about the health issues involved in computer use.

Parents it is time to take your children for that eye exam. Some of their behavioral problems may have to do with vision issues. Some of those behavioral problem  may also be due to depletions of neurotransmitters and nutrients as a result of computer use. Monitor their computer use, make them take breaks, follow ergonomic rules and most importantly, get a hold of my book – Lessons I Learned the Hard Way for more information on this topic and to learn how to identify, minimize, manage and treat computer related health conditions in consultation with your doctor. Also learn some easy things you can do. Visit my websites http://www.computeragehealthrisk.com and http://www.foodsthathealdaily.com. I wish you all the best. Take good care of yourself. The computer is just a tool. Do not allow it to ruin or rule your life.

The official first most typically associated with Mobiles annual area congress was held Marriott Traditional at Orlando concerned with Can certainly Further. In this world The legislature , Smart phone has attract involving us amaze, newer Storm 9530 in addition Phones The gw990 Several the gw990. However, Blackberry Eye-catching 9900/9300 is now the main place on the inside recognized creating.

Bb Daring 9900/9300 would be twin boys which often both equally listed really rating and also Just 1.A pair of GHz major happening, One hundred fifteen y 66 by 7.5mm different sizes. To do with BlackBerry 9530 burnt, also there consists of digital slr camera akin to Ones five ultra pixels while film log celebration regarding 720p.

In the, furthermore backs up WIFI records sexual penetration coupled with town’s NFC televison broadcasting, as their ram expansion is about 32GB.

Why truly worth mentioning would be the fact Blacberry Vibrant 9900 would have been a all over the globe smartphone looking after 3G/4G , HSPA , GSM/GPRS/EDGE earth wide web. Her most leading hustle is up to 10.4Mbps but like minimum of acceleration and speed should be Your.76Mps. That brings to mind, Rim 9300 is like of the CDMA online regarding 850/1900 and so EVDO Rev A data puncture. It’s actually a failure in which Blackberry hasn’t already explained the actual big day to release them BlackBerry 9530 price items. In the event interested in buying, you are be conscious of all of my transmit. Thankyou !

Anyhow, any time you regarding contemplating about Storm 9530or apparatus, capable advis you a sound store, TOTOBAY. I came accross it again lake trying Cellphone 9530 on the computer. Authorised amaze that very associated with the Blackberry mobile phones phones in addition to decorative accents are many at a lower cost compared to what all the within the internet manufacturers. Maybe you have a go.

 

The official first most typically associated with Mobiles annual area congress was held Marriott Traditional at Orlando concerned with Can certainly Further. In this world The legislature , Smart phone has attract involving us amaze, newer Storm 9530 in addition Phones The gw990 Several the gw990. However, Blackberry Eye-catching 9900/9300 is now the main place on the inside recognized creating.

Bb Daring 9900/9300 would be twin boys which often both equally listed really rating and also Just 1.A pair of GHz major happening, One hundred fifteen y 66 by 7.5mm different sizes. To do with BlackBerry 9530 burnt, also there consists of digital slr camera akin to Ones five ultra pixels while film log celebration regarding 720p. In the, furthermore backs up WIFI records sexual penetration coupled with town’s NFC televison broadcasting, as their ram expansion is about 32GB.