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?
- 10 Answers
- 62015 Views
- Engineering, I also Faced
- E-Mail Answers
Answer Posted / kaushik patel
But how measure it negative value. That is below in 0. And the pointer go to below zero and below zero not mention calibration then how measure it?
| Is This Answer Correct ? | 0 Yes | 5 No |
Post New Answer View All Answers
Do u know any one? how to find out in motor rated amps? formula?
how much value of resistance should connect to 15 kw, 6 pole 3 phase slip ring induction motor having RV-240, RA-42.
How do i perform grounding of star point of Genset (400V) for making connection with step up transformer of DELTA-DELTA (400V to 20KV) ? while Genset itself has its own neutral and grounding bus bar inside genset breaker box whereas we have another neutral and grounding busbar in synchronizing panel next to genset at maximum distance of 6meter, would someone pls advice if we can only perform neutral grounding in synchronizing panel or should we ground neutral on both places inside genset breaker box and synchronizing panel.
What is the most accurate way of testing ELCB?ELCB is better than RCD?
What is the effect of positive feedback on the stability of the systems?
If you have an earth with pilecap then your resistance is really low. why and how?
What is the significance of integral controller and derivative controller in a pid controller?
How do you determine the size of transformer radiators in a transformer?
1.What will be stored in online ups EPROM IC?
What are the parameters of water ( Water quality )to be monitored in Centralised HVAC ( water cooler chillers )
. What is Electrical Life & Mechanical Life of Circuit Breaker? 2. What is Electrial Life & Mechanical Life of Magnetic Contactor? 3. What is RCD, RCCB & RCBO? 4. What is the Between defferance of RCD, RCCB & RCBO?
why we dont prefer ac voltage controller instead dimmerstat [if both have same rating] for conducting experiments in laboratories?
Why GRR starts from 60% of motor speed why not less than 60%?
give me a clear defination of inductance,and how can u calculate inductance of a motor
all details of DG UPS HVAC
