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what is relay what is protection & contact multiplying relays where it is used function in brief
1182What is the typical enclosure type used for Indoor switchgear / Outdoor switchgear Units? - In Onshore / offshore Units?
998for hipot test on 33kV busbar, we will test on 70 kV or 56kV, what is the acceptable leackage current?
1162If 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.
1075If anyone would like to know or practice for FEWA papers contact me on mohamedrashad2@hotmail.com Just completed the supervisor exam in April 2021
1173Draw 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.
976a 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
1541Dear all i want to know SEWA Electrical Supervisor Licence test Previous Year Questions ? If any body know please send to me zohairaukllah@yahoo.com
1032Post New Electrical Engineering Questions
What is a Phase shift meter? Where can I get one?
how to electrically make connection to ferroli GN2N?
Please explain the following and how these are working with PLC unit 1.I/O Module 2.I/O Device 3.Adaptor Card 4.Ribbon Adaptor 5.RS 485-FC
How to measure current and voltage in an ELV circuit
ASTM D 3455 - Standard Test Methods for Compatibility of Construction Material with Electrical Insulating Oil of Petroleum Origin has been used for Testing Transformer Oils with a product placed in it. Aged Control Oil has a Power Factor of 0.032% at 100°C. Aged Oil with a Test component has a Power Factor of 0.093% at 100°. Is this increase acceptable? If not why? How much increase is acceptable?
what is Different between Bilinear and Unilenier?
Is there any Institution for giving M-tech in Electrical engineering for those who r in service? Give the details please.
what is magnetizing and demagnetizing current in generator and motor?
tan delta equation test on alternators
What is the unit of charge and current?
What is the meaning of HT Trivector Meter ?
How does an oscillator differ from an amplifier?
How to design harmonic filter at the project stage without nowing the harmonics levels
how point on wave controller works.
what are the tests comes under the type test, what tests comes under routine tests.
