HOW TO CALCULATE UPS BATTERY BACKUP TIME

3 Answers   HSBC, VRVS,

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Why USe In -48 DC Volt !

3 Answers  

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how many single tension hardware are required on a double circuit transmission tower?

0 Answers  

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what is the principle of motor

6 Answers  

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What is Primary And Secondary Injection Test of Relay and Other Electrical Devices. How IT is carried out.

0 Answers  

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Is itnecessary to use capacitor in an Fluorescent Tube Light Fixtures? Why? What if not capacitors are not included?

2 Answers  

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Is AC Current Scalar or Vector Component?

9 Answers  

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Draw the circuit of clapp oscillator?

0 Answers  

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1. When do you use a VFD motor? 2. If the ceiling fan is on slow speed, does it consume less electricity? 3. If we want the fan to consume less electricity at low speed, what do we have to do? 4. What does “battery of 180 AMP HOUR” mean to you? 5. What does “battery of 180 AMP HOUR” mean to you? 6. If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

6 Answers   Asian Power, Bhel, Focus, Focus Energy, L&T,

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Hi,Any one has idea regarding the KPTCL Recuirtments for AE'e & JE's for the year of 2009-10???Kindly help in regards..

2 Answers  

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What is MODBUS Controller Used for BMS Mointoring???

2 Answers   Emerson,

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how to identified power tranfer line is how much KV????

5 Answers   Essar,

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