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Questions related from Rajeev Kumar Chauhan
I am installing a home UPS system of 1400 VA. The UPS is a 24 volt system and, based on the batteries available on the market for the UPS segment here, will need 2 x 12 volt batteries for...
16 September 2016 5,381 12 View
We are facing a line tripping problem in the 132 kV single source transmission line. The fault is temporary. As we restore the line again after 15-20 minutes the fault does not exist and line...
19 August 2016 6,299 12 View
For example I have Lead acid battery of 150 Ah (C20), 12 Volt and it is discharging with flat rate of 15 A/s. The initial voltage level at (t=0) is 12.2 volt. Then What will be the SOC level at...
15 July 2016 7,942 2 View
As the equivalent circuit of the lead acid is the parallel combination of the Resistance and capacitor. How much is the variation occurs in the impedance (parallel combination of Resistance and...
15 July 2016 1,336 8 View
When the battery is connected with the variable load, the SOC can be calculate? if yes then which is the best method for that?
14 July 2016 8,989 26 View
Which is the more accurate technique for the fault location calculation.
16 May 2016 9,350 7 View
If the positive terminal of 12 volt battery is connected to the +6 volt and the negative terminal is connected to the -6 volt supply, Does it leaves any side effect on the battery? if yes please...
05 May 2016 3,037 9 View
Which is the best load forecasting techniques based on load history?
30 November 2015 8,317 10 View
As the earth or short circuit fault occur at any terminal of the circuit. How the value of the resistance decrease for Earth fault and short circuit. for example Positive pole to ground:...
14 August 2015 8,742 2 View
Haw can calculate the Capacitor Size In KVAR for DC bus with different Load Condition.
23 July 2015 1,321 4 View
Brush Less DC Motor is more energy efficient then the Permanent magnet motor and induction motor.
30 March 2015 1,731 5 View
Limitations (De-merits) of BLDC (Brush Less DC) motor.
25 March 2015 7,346 6 View
for example system "A" has rise time=0.0464 Sec, settling time=1.3609, overshoot= 0.332 , peak time=0.81, steady state error=0.1325 system "A" has: rise time=0.0248, settling time=1.6091,...
18 January 2015 4,117 8 View
Most of the distribution lines in power system have over head and under ground cable. is it any standards for that?
09 January 2015 8,501 3 View
How is the power losses varies of AC-DC, DC-AC, DC-DC power converter of rating (2 KVA- 5 MVA)?
18 August 2014 488 7 View
In terms of numbers of consumers and producers interconnected to an electrical infrastructure which is called mini, micro and nano grid.
04 December 2013 8,445 15 View
Size optimization.
17 November 2013 8,055 8 View
Like arima.
17 November 2013 1,154 8 View
In AC systems the voltage varies by active and reactive power. How does the voltage change in DC system?
10 November 2013 9,264 0 View
I want to design a battery bank simulator.
24 October 2013 5,146 1 View
If anyone has a simple stepwise solution, write how to find parameters for washout and phase compensation blocks, for a basic power system stabilizer. Also an example calculation for a single...
10 October 2013 3,655 2 View
The distribution feeder reconfiguration is usually performed for loss reduction, reliability improvement and load balancing. This will change the network connection matrix and Ybus. How the...
03 October 2013 2,363 6 View
I am working on DC-DC converter. Can anyone help me on how the DC-DC converter switching losses can be reduced?
28 September 2013 9,183 7 View
Journal initial review.
28 August 2013 2,735 6 View
