Recent questions tagged indicator

Description : State the use of:- (i) Clip-on-ammeter (ii) Phase sequence indicator

Last Answer : (i) Clip-on-ammeter: used for measurement of current in cables/lines in live conditions without disconnecting them.  (ii) Phase sequence indicator: To determine /find the phase sequence of 3 phase supply. 

Description : Describe with neat diagram phase sequence indicator.

Last Answer : Phase Sequence Indicator: There are two types of phase sequence indicators: (a) Rotating type phase sequence indicator (b) Static type phase sequence indicator (a) Rotating Type Phase Sequence ... of the supply is reversed or altered, then the lamp 1 will glow brighter than the lamp 2.

Description : State the application of phase sequence indicator; clip on ammeter, frequency meter & P.F. meter.

Last Answer : Phase Sequence Indicator:  1. For finding correct phase sequence of supply  2. For obtaining exact instant of parallel operation of alternators.  3. For obtaining reversal of rotation ...  4. In electroplating industries   5. In various processes industries for measuring power factor

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