why -48v is used for BTS in telecom?

2126

In HVDC LINE RECTIFIER CONTROL ON CONSTANT CURRENT AND INVERTER CONTROL CONSTANT EXITATION ANGLE CONTROL BUT HOW INVERTER CONTROL CONSTANT CURRENT?

1968

why is a power transformer used only occasionally?it is used to step up at generating stations?and that needs to be done all day long !!!!!!!

1877

Explain the bit format of flag register in 8086.

4245

Why making capacity of the circuit breaker is higher than breaking capacity?

971

how to calculate transformer turn primary & secondary side 11kv to 420v

2196

WHY IBM MAINFRAME TECHNOLOY IS USED.THOUGH, SINCE ITS INTRODUCTION IT HAS NO MAJOR UPDATATION OR MODIFICATION;BUT STILL IT IS IN DEMAND........WWWWWWWWWWWWWWHHHHHYYYYYYYY????????????

1981

i want do telecom protocol development course from hyderbad convergence training school so what is the scope after doing that course and will i get a good job after doing the course and what will be the minimum package

1853

How shall i select the value of capacitor or inductor in a system?

1906

how much value of resistance should connect to 15 kw, 6 pole 3 phase slip ring induction motor having RV-240, RA-42.

1924

If anyone would like to know or practice for FEWA papers contact me on mohamedrashad2@hotmail.com Just completed the supervisor exam in April 2021

1182

I have to conduct load test on greting cover, pressure gauge is in kg cm2, how to caluculate load on this greting cover.

2325

after how many spot we must chang secondry cable in portable spot welding gun?

1948

how to measure oxygen which methods are using?

1999

What is the meaning of loop in transformer

1805