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how to compare with Relay settings for HT< panels, RMU panel, and PSS CSS transformer?? 1) Load amps, 2)Tripping time, 3) CT ratio, 4)Cable size 5) Transformer KVA rating 6) transformer full load amps
1264how to setting Load amps tripping time and extra settings for load Transformer protection relay with RMU panel using C&S model relay..?
1141In 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
808An impedance of 100 ohms resistance and an unknown inductance is connected across the capacitor. The resulting impedance is a pure resistance of 500 ohms ifω = 10^5 rad/sec. calculate the values of inductor and capacitor.
1427Post New Electrical Engineering Questions
how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING) I O (current operating)?
Why do power lines not short out when they fall into water?
armature winding of dc machine produce alternating emf then it convert in to dc by using commutator.But only we consider armature resistance why don't we consider inductive reactane effect?
What do you mean by an instrument transformer?
Why sometime AVR and sometime Booster coil is used in Alternator? what is the diferance between AVR & Booster coil due to which they are selected
operation of diesel generator
Consider three heater bank connected in 3 phase star with neutral.Each heater bank connected in each phase.So each phase get 230 volts supply.my question is,during balance condition, current flow in neutral or Not
Why have to use copper cable for local isolator to motor ?
how freewheeling diode improves the powerfactor
what is positive , negative & zero equivalent system resistance
Why the efficiency of generator is more than motor in swinburne's test
why ten delta testing is carried out on power transformer
how slip power recovery system work
why cable i burning without tripping. how can protect led street lights
how can maintaince the acb contactor moveing and fixing kit
