what is post close & pre close of trip circuit supervision
relay in circuit breaker control scheme?
Answer Posted / k.prakashchandra
It will supervise the trip circuit before and after closing
the breaker
| Is This Answer Correct ? | 18 Yes | 5 No |
Post New Answer View All Answers
Is it possible to measure the voltage of a battery from a single terminal?
In Air circuit breaker LSIG protection unit is used. Without fault in cables (2 runs 3Cx150Sq.mm Copper, 1Kv grade, XPLE armored cable IR value is more than 550Mohm @ 500V Megger) and load section Long time Overcurrent protection is triggers and trips the unit. We changed LSIG protection with new factory tested unit. Even then fault is persisting. Please suggest the possible causes
1. The DC generaror,s induced output emf is connected with a DC motor(as load). when increasing the load of the motor by using brake drum or any way. what are the parameters will changes in both motor and generator(voltage, current, resistance, frequency, speed, torque, power, flux etc...) 2. Similarly for AC generator and AC motor 3. similarly if using DC batteries instead of DC generator, What happens?
What is difference between isolator and circuit breaker?
how to control the speed to switched reluctance motor
What are marginally stable systems?
how to find number of run cable laying[LT side] for transformer & alternator secondary side? [above condition for getting output power transformer to main panel side] give the example.
What is the distance between each insulator in 33kv transformer and how can it calculate
relation between power station capacity and voltage level?
how to increase senstivity of ct
How convergengr of nr method is not dependent on selection of slack bus and how gauss siedel method depends?
How to select batteries required for ups and the inverter if we Known load? And how AH is selected of battery?
why current flow to the opposite direction of flow of electrons???????????
Block diagram of Power line communication?
ACCORDING TO IEC WHAT SHOULD BE THE MINIMUM HEIGHT OF G.I. STRUCTURE OF CT, PT, ISOLATOR, LA?