what will be the effect on the voltage .if power frequency
is increasing or decreasing.
Answer Posted / omwikha
Voltage=4.44fN(phi). Where f= frequency
Thus increasing frequency automatically will increase the voltage and vice versa.
Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
How to Calculate Current Rating of SDFU (Switch Disconnector Fuse unit) for Protectionof Capacitor Bank connected to Busbar of 800Amp,in LV side of 11/0.433KV, 250KVA Transformer?
What are the two major types of control system?
IN MY SYSTEM THERE IS ONLY OVER CURRENT EARTH FAULT RELAY IS AVAILABLE. FOR THE UNBALANCE SENSING IS THERE ANY RELAY IS AVAILABLE? THE SAME CTs WHICH ARE USED FOR THE OVER CURRENT EARTH FAULT RELAY CAN USE FOR UNBALANCE ALSO?
how to conduct dc resistance test for rotor of an alternator and how to measure the rotor dc resistance value theoritically?
what are the specifications we must look at to select a relay for any capacity motor?
WHAT IS FAULT CAPACITY OF HT MOTOR TERMINAL BLOCK? ANY BODY HAVE ANSWER PLZ....POST IT.
Operation carried out in thermal power stations?
how to Select Lighting arrester? What r the parameters to be considered for the selection of Lighting arrester ?
What are the characteristics of negative feedback?
Why does the Solid state Rectifiers for 3-ph brake motors sometimes have 2 & sometimes 3 output terminals?
if 6 earth pit value is 1.5 ohm then what should be the number of earth pit to make the value .8 ohm
how to estimate wiring ins roughing ins. and boxes
why impudance relay used for medium transmission power system? why not others?
Define damping ratio.
after how many spot we must chang secondry cable in portable spot welding gun?