What is the Surge suppresor?
Why using in a UDB's and How it works?
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1)what is the function of a frequency inverter? 2)If a few frequency inverter are connected onto a device network,what are the two setting that will ensure the frequency inverter work properly on the network. 3)whats is the name of the input sensor for weigher? 4)How to confirm that the load cellis faulty? 5)Describe briefly the steps to validate that the weigher is working properly? 6)Describe the procedure to validate the flowmeter accuracy? 7)Describe briefly the steps to validate that the tempreture sensor/transformer is working properly. 8)what is the adjustment that need to be done when you are calibrating the temperature transmitter ? 9)what are the safety measures to be taken before disconnecting motor for rewinding. 10)whats is the synchronous speed in rpm of typical 4pole 50hz motor? 11)whats is the formula for kw, ohm's law 12)if a 3phase motor is rated 3kw,415vac,what is it's rated ampere?
Diagram and details of polarity test for Current Transformer 11kv 400/200/100/1A
how can we measure the import power and export power in the same line?
whats the diff b/w mpcb and mcb?weather it trips on single phasing or not.
9 Answers Electra Power, Essar,
what will happen to give a dc supply in ac motor?
what is a difference b/w earthing & neutral?
What is the difference between Off line UPS and Line interruptible UPS?
full form of flry b
for ac networks if the voltage wave form is V=Vm sinwt here the voltage Vm=230 for the frequency 50hz then the time period is 0.02 sec then for the time period 0.12 sec what is the voltage
1. Why transfomer reting in KVA and Motor in HP
11 Answers AirIndia, Jindal, Mind Tree,
What is knee point voltage?
how to changeover ups in this power failur time?