how many earthing required for ups, what should be the
earth voltages
Answer Posted / saeed akhter khan
UPS is required only one earth which is required for equipment which is working on it.
Is This Answer Correct ? | 1 Yes | 4 No |
Post New Answer View All Answers
Define stepper motor. What is the use of stepper motor?
which pump used in WTP explain the function of VFD how to dtermine capacitorbank of capacity one plant
Different STANDARDS (BS, IS, IEC etc) gives different informations on CT specification. How they correspons w r t each other (i.e I mean to say BS provides "knee point voltage" but IS does not, then how can i select CT)
How to calculate the value of earth capacitance in a transmission line.
why the protection turbo generators is most complex?
what are symmetrical and non symmetrical components in electrical installation.
any earth foult trip the relay but in welding time not trip by earth foult
WHERE NEUTRAL WIRE IS CONNECTED AT DOMESTIC TO TRANSMISSION LINE(SINGLE PHASE TO THREE PHASE)
What is the general power factor & min. power rating of TV,LCD type TV, CRt type TV, Scanner, printer?
i have faced a problem in ro plant grunfos make bm30type pump it is 22kw pump. We start this pump using siemens 3rw 4423-ibc44, 30kw softstarter but this soft starter will frequently failier so we planed to change dol starter. So pls tell anybudy its possible or not.
How to confirm the Phase shifting Transformer VECTOR GROUP relation , as below ZNy11.45d10.45-ZNYy0.15d11.15
How to calculate fault level of 11 KV system
a governer in an Ic engine controls the
how we calculate torque ? how we improve it ?where torque will either motor or generator ?
for 750 kw LT load what will be the ht kva