Power develop of Bangladeshi 2012 (Various aspects of the system loss)

                                                    Various aspects of the system loss
 

 Economic use of generating electricity in the country - and social unnanera criteria are considered. More power to the country's rich, he is a country that is less than the cost per unit of electricity and the country is improving. Thus, any country's economy is one of the indicators, as can be seen current.

  Electrical system and overall planning, control and management, use and constitutional issues, etc., power  based on loss or system loss.
Interpretation of system loss
Loss due to self expenditure within the power station, transport waste produced by the wire in the center of the I ² R regisistance other types of devices used technical ebat – non-technical electrice power dissipation is due to the loss of the system. 

Total generating power -

 For example - the total generating power - the total is used for energy
                                                The total generating power

It is well recognized arntajatikabhabe. When they reach excessive levels, they are opposed to submission kanjumara or subscribe to the service provider not state officials are annoying. Thus, significant progress on lasera. I,E,B tebyulesana Los Angeles system, 9.20% mature in 2002 and Japan in Bangladesh, China published a letter by 39.00%, the country was 12.34% system loss, 11.25% to 22.75%, and in Pakistan is 25.75%.
This system is internationally recognized Los Angeles (5%), wait about 5 - 8 times. Lasera mulyamana current 01% state-owned financial system as if it is 22 million. However, the system per year losses lasera (40 *22 ) = 880 million is about. Thus, system loss or adverse effect on the economy, it is clear.
System loss factor in
Generally, the system losses 2 kinds of divided as follows: - 1. Technical loss. 2. Non-technical.
Due to technical harmonization 1.Loss: -
A Ohamic loss to transport line
B, Loss due to used equipements.
C. Interconnected  network loss.
D. Loss due to feeding arrangment.
E.. Loss due to self expenditure within the power station.

A Ohamic loss to transport lines: - enough kyacamenta area or fuel (oil / gas), the relative strength of the center is usually the most populous area of ​​the load center will be installed in remote areas, however, a certain amount and the power line induced prevention sarbaksanika reduction (3 - ¢ loss = 3 I R ²) was. 5% of the total loss.
B, Loss due to used equipements: - electricity, transport, and share Transformer used, the switch unit giyara rejistyansa apacayake other control nijesba induced attenuation of the equipment. Power dissipation is not a new machine.
C. Interconnected  network loss: - customer network size and facilities, long Interconnected  system can be less or more depending on the end of Los production center. However, more complex and large system size interconnected  Loss comparing
D. Loss due to feeding arrangment: - Interconnected system depends on feeder line connections. For example, for HT than feeders Loss than feeders LT.Generally, interconnection, system, and the lack of 2-induced feeding system is limited to 3%.
                                E.. Loss due to self expenditure within the power station: - the state's power centers phidwater pump, battery charge etc security center of power for a very  under as the cost of maintenance of equipment to manage a variety of accessories.ours center of power loss is about 7%. Therefore, energy management in a developing country, total technical loss of all is 19 - 25%.
2.Loss due to non- technical consistence: - There is a system that technical lasake underdeveloped countries or developing countries, but less important because of the technical system loss lasera responsible for most, but not akarigari. Akarigari lasera home, industrial organization, urban slums and pradhana populated areas - trade, home is the primary source. Illegal connections, kanajampasana Los Angeles, Los billing, collection loss, etc. - that are caused by the loss of akarigari tahacche.
Measures / systems to reduce losses
: Ways to reduce technical losses
1. Production centers can be used to repair the damaged unit is yatadruta.
2. Bustar transformer or voltage line can be used to transmissiom reguletar develope.
3. All Modern technology  interconnection network and the feeding management.
4. Grid old sub station  transformer , switch giyara, other controling equipments change it.
5. Madhyame local demand for small plants to fill up.
6. Improve power factor. In particular, high-performance motor power factor, phase advencer, stable capacetance, capacetance sincronige condencer  bustar and equipment used.
Ways to reduce non techical losses: -
1. Illegal power connections to find you and will take part paralei local connection.
2. Law through illegal connections will be provided to persons with severe punishment.
3. The new meters will be deployed badaliye bad meters.
4. Through the development of computer networks and billing systems.
5. Dirstribution system using advanced technology. Inasulesana line of bare wire cable used on the head.
6. Individuals and to remove all evil with the power to allocate the officers and employees are honest and competent officers.
7. Administrative infrastructure overhaul.


N,B : - for the next blog to find out what power factor? I thought the overhead line.

                                                    E-mail:-  Sohel.jewels@gmail.com

International system of Power Developments Part :-2

Comparison between International AC and DC transmission:

A.C Transmission	D.C Transmission
1. Three of his needs, and costs more than copper.	1. Two of his eyes. Arthin paribahiteo niutrala as the one found in tryansamit. The savings are more than copper.
2. Inductens, capasitens, power factor and the effect of current  surgeon.	2. Inductens, capasitens, power factor and the surgeon there is no response.
3. Current skin effect.	3. No skin effect.
4. Inasulation Electrical stress on the need for more haoyate inasulation is relatively high.	4. Inasulation on the electric a.c. Sira more than 1.414 times. It takes less inasulation.
5. Charging current is induced attenuation. Or even no - load conditions.	5. Charging current is induced attenuation.
6. Communication lines are produced by the surrounding bodies, and the disruption and loss.	6. Communication lines are very low and the waste produced by the surrounding bodies and less disruptive.
7. More pressure on the electrical inasulation dioxide - more than an electric lasao.	7. Less pressure on the electrical inasulation dioxide - electric lasao less.
8. Voltage regulation is demoted.	8. Voltage quality of the Regulation.
9. Transmission styabilaijarer long line needs.	9. I do not need long transmission styabilaijarer line.

Comparison between International overhead and underground transmission and distribution 

system:

Overhead system	Underground system
1.Overhead line, usually wood, concrete or Steal taoyare inasuletar madhyame fitting the poll.	1. Underground cable  through the bottom of the soil generally kanduit or go through the trench.
2.Poll at the top of the line placement is likely to take so transformer accident.	2.Platforms are installed in the indoor accident likely will not.
3.Compared a low initial cost.	3.The initial cost is too high compared.
4.Power line extension, or change it.	4.Manhole, daktc etc. are permanently installed. This change is not a chance.  Erajanya putting a new line to change it.
5. Errors likely.	5.The probability of error of less than the underground trench.
6.Line, a simple error detection and repair.	6.Line error detection  and repair is not easy for  many of the complex.
7.The distance between the line condutor spacing more than  inductance line. Thus, the voltage drops too.	7.The distance between the line condutor spacing inductance less than  line. The voltage drop is less.
8.The distance between the line of condutor  capactance and carjim current amount is less than  line.	8.The distance between the line condutor  less than the amount of the current line capactance and carjim.
9.Any object or vegetation on his line of thunderstorms and the details of power supply interruption.	9.Effects of Lightning, and dropdown objects. The interruption of power supply and not.
10.Measures to prevent the serge voltage.	10.Serge voltage cable sith exploitation of the mineral.
11Open space through the conductive line is, this is the beauty of the city.	11.beauty occurs due to underground cable line.
12.Distribution line, electricity theft through illegal connections are.	12. A person may not, without proper authority others hand.
13.Any object or vegetation on his line of thunderstorms and the details of power supply interruption.	13. Effects of Lightning, and dropdown objects. The interruption of power supply and not.

Advantages of High Voltage transmission over Low Voltage transmission:
1.Transmission  efficiency increases for low-end line of the Los.
2.Line is the line voltage drop is less than the standard outlets. The voltage regulation is very advanced.
3.Metarial transmission voltage conductor size vary, so if you have more than transmission voltage value is less than the cost of copper.

 Overhead Transmission Line


Underground Transmission Line

More high transmission voltage limitation:
If the electrical power supply in case of more high bholteje is some difficulty. Such as -
1. Trnsmission voltage will be more, much more than line inasulession manao. This line will support the costs.
2. Ground clearence and conductor spacing should be greater. Increase in size proportional to the cross-arm and the Tower.
3. Transmission voltage will be more, so size will transformer and other control equipment. Thus, increasing the power supply voltage and power loss is less than the cost of the Rising copper, but the cost of increased transmis. So consider all aspects of the supply voltage value is increased to a certain limit mold, so that the overall profit of the whole system.
Comparing the cost of conductor of different overhead system:
a. For each method of transport (P watts) is equal.
b. For each method transmission line spacing (L meter) level.
c. For each method of waste (W watts) is equal.
d. Conductor and the Earth in every way, the maximum voltage (Vm volts) are equal.
      
COULD I will now discuss the theory person tahacech:

                              Lord kelvin

 Expression for the most economic size of conductor by Kelvin's law:

It's the first well-known scientist Lord kelvin most economical conductor size of 1881 for a diagnosis of a species stated. His opinion, the annual cost of a transmission lines that cross the minimum required to keep, he will be the most economical prasthacchedai. In other words, let's look a little differently presented, “The most economical area of ​​conductor is that for which the variable part of annual charge is equal to the cost of energy losses per year”. Here is a portion of the total line transmission two namely: 

1. Annual cost of energy wasted.

2. Annual charge on capital outlay.

Annual charge on capital outlay:
Expenditure as a transmission line all most installation, cost and construction cost of the initial cost of conductor saport and inasuletar annual interest and depreciation value. The line of cases, the overhead cost Constant Insulator-conductor cable cross section depends on the cost. Therefore, obhabaheda transmission line is expressed as an annual charge .
Annual interest and depreciation = TK. (P1 + P2A) ... ... .. 1
 P1 and P2 and A certain number of conductor area.
Annual cost of energy wasted.:
I ² R loss conductar current induced energy dissipation. The Constant Current flow lines during the whole year is wasted energy produced by the conductor regisistance. The conductor area regisistance vary, so the overhead line, the annual apacayake      

        transmission are expressed as: annual energy produced by waste Costs = TK.Q / A ... .. 11
Q is another real number.
Year total financial loss, = L = TK. {(P1 + P2) + Q / A} ... .. 111
The dL / dA = 0, then this loss will be less than the amount most.
dL / dA = d / dA (P1 + PA + Q / A)
= P-Q / A ²
Minimum financial losses from overhead power lines transmission
0 = P-Q / A ² or PA = Q / A
or
variable part of annual charge = Annual cost of energy wested.

                  A = √ Q / P ... ... IV


N.B:- we can find out the next blog different aspects of system loss. I am an engineer, so you can collect various power plante information is all about. Next week you can also learn new things.

Power develop of Bangladeshi 2012

Description: - Bangladesh is a developing country, an independent rastr. Populous nagarayanera this country as well as the evolution of the Internet and leave the industrial revolution, tathana to increased demand for electricity was thirteen. Save the cost of the gigantic power of energy production. To meet the growing power of energy fuels (oil, gas, coal and water), became a big get-rich areas of the station. current products cheaply and confidant of the entire electrical system to reach the receiver end of the back under a common network. This network will be divided anse. For example - 1. Transmission. 2. The distribution.
Transmission and distribution of electrical energy: - Production of a residential building in the center of a large network to use the power and reach of the conductive wire. Be loaded in the center of power production, transport tryansamisana samuhe sentarastha epicenter epicenter of the receiver end of the line, distribution lines for electricity distribution is broad. Generally, the overhead / underground system is. AC or DC, any method of electric power Transmission and distribausana may be. It is now at. C. Generation and Transmission for 3 - phase, 3 -wire, and distribution for 3 - phase, 4-wire of his way to a universal mere system become .
Transmission line - to be sent to the production center to the edge of the high-power sub-station for sending that the vast electronic network use, he said Transmission line. More than a single circuit or double circuit line to transport Transmission used. The operating voltage is as 2kinds Transmission line. Namely - 1. Primary Transmission: 30 Kv, 132kv.
2. Secondary Transmission: 66 Kv, 33 Kv.
Distribution line - the sub-station to the customer side (residential buildings, industrial factories, commercial areas), electricity for distribution to the electrical network is used, the distribausana line publications. The operating voltage as a distribution line 2kinds it. Namely - 1. The primary distribution:- 11 Kv, 6. 6 kv
2.Secondary distribution :- 400 V, 30 V.
Low - voltage or secondary re-1 distribution system.feeder, and. If you put these three bhagebhaga distribiutar and services.feeder can not supply directly to any kanjumar. Tappin up the main services provided through distribiutare kanjumar have.

 Feeder, distribiuta, service to Maine's description: - phidara-populated areas in connection with Generating Station is the coordinator of the coarse paribahike phidara.'s Main feature is that customers have the power to reach. Along the entire length of the fixed value of the electrical outlets. Because it is based on the current transport capacity is phidara dijaina.
Distribiutara: distribiutara to the customer's power supply is different Tappin. Due to the various outlets along the length of stay distribiutarera Tappin. However, the voltage drop of 6% over distribiutarera should not.
Service Maine: Maine is usually glossy conductive special services, which also have electric connections. It is not feeder, distribiutarera directly connected.