what is relay what is protection & contact multiplying relays where it is used function in brief
1132What is the typical enclosure type used for Indoor switchgear / Outdoor switchgear Units? - In Onshore / offshore Units?
961for hipot test on 33kV busbar, we will test on 70 kV or 56kV, what is the acceptable leackage current?
1113If an electrical component has a positive temperature coefficient, how come such components have high power losses due to heat if current decreases when resistance increases? assuming power given by I^2*R whereby the Resistance is infinite.
1039If anyone would like to know or practice for FEWA papers contact me on mohamedrashad2@hotmail.com Just completed the supervisor exam in April 2021
1115Draw a SLD for main panel for school having connected load of 1200kw and emergency generator 200kw.also show the increase of additional load of chiller 225kw in the lv panel indicating meter postion size of transformer ,cables and capacitor bank.
939a 230v transformer with step down ratio 19:1.it has 2000turns on primary and rated 25va calculate max primary current no of secondary turns volts/turn
1504Dear all i want to know SEWA Electrical Supervisor Licence test Previous Year Questions ? If any body know please send to me zohairaukllah@yahoo.com
996Post New Electrical Engineering Questions
Does magnetomonopoles exists? one maxwell equation strongly suggests no, but how about their existance in plasma?
what is the criterion for selecting vector group of Transformers ? i mean how to decide vector group of Generator transformer, substation trasformer and transformer at consumer end
In an ACB shunt trip coil and undervoltage coil operated normally( breaker open and charged). But closing coil not operating untill manually discharge and recharging. Any help.
how to enter inverter parameter? without manaual?
define digital electronic
What can you contribute to the progress of our Company as an employee if you are selected?
how can get electrical "c" licence.i am complited in DEEE.PASSING YEAR OF 1993.WORKING IN PVT COCERN LT LINE.PLEASE ADVISE ME .CELL NO 9994786021
How to do fabrication , busbar and wiring cost for : 1. LT Panels 2. C& R Panel
Earth leakage relay basic knowledge principle
why T/F winding temp measurement cts are odd secondary current ie,109A/1.2A/1.4A?
What is the role of Dedicated earthing in UPS System?
What is signal flow graph?
What is current & voltage ? Voltage perform at any load without current or not?
what will be the maximum winding temperature of 6.6kv HT motor 450kw, Full load current 49A. 50Hz Frequency.
Difference between earthing & grounding.?