What is the use of Gateway RTU like ABB RTU 560 in power plant, SAS system ?
Post New Answer View All Answers
how to calculate singlephase motor efficiency?
STATE WORKING OF VACCUM CIRCUIT BRAKER?
What the formula for calculating no.of earthings & size of earth strip for 100mX90m shop.
how to calculation increase power factor for single phase
ACB & VCB how do work and saftes and how can maintenance in this and parts name show with picture
What are the factors influence the choice of an electrc drive?
what are the usual topology of transformers at different substations in the power system and why that particular topology is choosen. what are the limitaions of that topology?
what percent do you derate your copper wire when you change from copper buss to copper wire
How can claculate to attain the desired PF in the line ( HOW Much KVAR is required ) Pls Give the formula? Equate Petrochemical 0 1 how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec. 0 1 What will happened. if we feed 3phase supplay to the stater with out insert the rotor. How much current will flow through the stater winnding? Equate Petrochemical 0 1 What is required of exietation to the alternater. 0 1 why star point of HT motor not earthed? Equate Petrochemical 0 1 Why we are getting low voltage in star connection? Equate Petrochemical 0 2 What's ND relay & it's functions? Equate Petrochemical 0 2 How instantanious short circuit current is calculated? its formula? Equate Petrochemical 0 2 What is servo Motor? What's the advantages of this motor over Induction motor? Equate Petrochemical 0 2 What is core CT & it's function? Equate Petrochemical 0 3 what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY L & T 0 4 What is required of exietation to the alternater. KNB 1 23 what is the design voltage for 6.6KV 2000 KVAR HT capacitor? Consultancy 0 3 Pls explain about vfd control?Where it is used, Give some example? siemens 1 22 Please explain me abt PQ diagaram in the power sector. 0 9
What will happened if the neutral of secondary of Xformer ( Star point) Note it's above KVA rated Xformer
why are distributed windings generally used in alternators?
what is the power factor used by the PHCN in nigeria? 2. what is the difference between an alternator and generator. 3. Generation of poweris in KV but how is transmission is in MW. 4.If the transmission of power is 20,000MW how can it be increaesed to 80,000MW
Define active and passive network?
Why we are going for converter transformers for DC drives application instead of distribution transformer?
Define branch?