1.In two wattmeter method if one wattmeter shows Negative
reading then wat is reason?
2.Wat is the reason for low voltage in houses?
3.Wat is meant by current and voltage? wat is difference
between the two?
Answer Posted / james nyoro
1;phase angle is greater than 90 degrees cos 90=0 cos-in
=math error
2;reverse connection of current coil
| Is This Answer Correct ? | 2 Yes | 7 No |
Post New Answer View All Answers
How to setting the volume of RTCC panel AVR (11kv) controller
why do we not use equivalent voltage source in negative sequence equivalent ckt.
ho can we calculate the conductor insulation value according to their ratings like voltage,current etc.how insulation value related with voltage,current and power of amachine
WHAT ARE THE DATAS REQUIRED FOR PROTECTION AND METERING AND CONTROL AND LOGIC PREPARATION,HOW TO STUDY THE PROTECTION AND METERING?
How Diesel Generator start ?
number of I/O devices in siemense plc
What is float cum boost charging system?
How delta connection in the primary of distribution transformer reduces harmonics?how delta connections reduces harmonics?Please answer me...Hope that question is correct.
How to calculate capacitor bank size at a load 800kVA.
which one is more efficient, torq, power & ecnomy with the same frame size AC motor / DC motor?
If there are two transformer having rating of 2.5mva, 6.6kv/440v(satr-star),and the load is 600kw then what is better to maintain less losses in transformer having both transformer in parellel or only single transformer connected to load? Please give calculated answer
what r substations?what r there work?why voltages r incresed and then reduced during distribution of power
What is rotary phase converter?
How cable from Kit-Kat to main switch, from starter to motor are designed?
solar energy light efficiency & disadvantages?