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Is it ok to extend the AC motor speed by VFD from its rated frequency or RPM
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1
|
1102
|
July 3, 2021
|
|
What are the potential causes for a synchronous motor fails to start?
|
|
0
|
1540
|
October 24, 2024
|
|
What are the major types of circuit breaker
|
|
1
|
1088
|
October 4, 2021
|
|
In power transmission systems, what factors contribute to the significance of DC voltage batteries?
|
|
0
|
1533
|
December 21, 2023
|
|
How can Predictive Maintenance Techniques improve the efficiency of High Voltage Maintenance?
|
|
0
|
1528
|
April 10, 2024
|
|
Explain the difference between volts and watts
|
|
1
|
1076
|
September 13, 2021
|
|
How can a VFD can control the speed of a motor
|
|
1
|
1074
|
June 23, 2021
|
|
What is a tap changer in a transformer
|
|
1
|
1074
|
August 28, 2021
|
|
Why is the iron core of a transformer laminated?
|
|
1
|
1070
|
December 31, 2024
|
|
Why is damper winding used in an Alternator?
|
|
0
|
1508
|
October 1, 2024
|
|
How to Wire an MCCB Distribution Panel?
|
|
0
|
1503
|
January 6, 2025
|
|
Electrical Engineering Interview Question and Answer
|
|
0
|
1498
|
July 11, 2024
|
|
Why capacitor allows AC to flow through it and blocks DC
|
|
1
|
1048
|
October 2, 2021
|
|
For what purpose do we use HVDC transformer
|
|
1
|
1046
|
May 10, 2021
|
|
Is it possible to use contactors for DC motor protection and starting
|
|
1
|
1042
|
September 2, 2021
|
|
How long can the UPS run with a battery backup?
|
|
0
|
1471
|
September 19, 2024
|
|
Emergency and Polarization Rectifiers
|
|
0
|
1452
|
September 10, 2019
|
|
How to Find RPM and Pole Pairs in Induction Motors?
|
|
0
|
1453
|
August 14, 2024
|
|
Does current flow through the neutral wire when there is no load?
|
|
1
|
1024
|
August 1, 2024
|
|
Partial Discharge Testing of a Power Cable
|
|
0
|
1445
|
April 22, 2024
|
|
BHEL Electrical Interview Questions
|
|
0
|
1437
|
July 30, 2024
|
|
What is the significance of star (Y) and delta (Δ) connections in a power system? Why is each used at different stages, and what function does the neutral wire serve?
|
|
1
|
1012
|
October 30, 2024
|
|
What are the key differences between relay-based and PLC-based control systems?
|
|
0
|
1431
|
August 14, 2024
|
|
Why are stranded wires commonly used outside the US?
|
|
1
|
1010
|
January 12, 2025
|
|
What is Megger?
|
|
0
|
1419
|
March 18, 2025
|
|
Why does voltage exist from neutral to ground?
|
|
0
|
1414
|
September 10, 2024
|
|
Can you explain i2t ON and i2t OFF settings on ACB?
|
|
1
|
998
|
November 21, 2024
|
|
Difference between shunt coil and tripping coil
|
|
1
|
997
|
June 18, 2024
|
|
Which of the following outdoor lights like LED, Mercury vapor, Metal halide, High pressure sodium, Low pressure sodium, Fluorescent lights, Halogen lights, and Incandescent lights causes light pollution in environment?
|
|
0
|
1408
|
June 16, 2023
|
|
Common Air Circuit Breaker (ACB) Problems: Their Causes and Solutions
|
|
0
|
1408
|
January 8, 2025
|
|
IP Degree Selection
|
|
0
|
1407
|
July 3, 2024
|
|
What are the benefits of using surge suppression devices for protecting electrical systems? How does Energy Control System's solutions help in preventing power surges?
|
|
1
|
993
|
October 6, 2024
|
|
Which is more effective for automating PLC and SCADA systems: LabVIEW (or) MATLAB?
|
|
0
|
1400
|
August 15, 2024
|
|
What is Lockout Relay?
|
|
0
|
1398
|
August 23, 2024
|
|
Autotransformer: Explain their Function in detail
|
|
0
|
1396
|
July 12, 2024
|
|
What is meant by armature reaction?
|
|
1
|
983
|
November 1, 2024
|
|
What is a Motor Control Center (MCC)?
|
|
0
|
1389
|
October 25, 2024
|
|
On what factors does counter torque in electrical generators depend on?
|
|
0
|
1383
|
July 17, 2024
|
|
Why do BLDC motors have variable numbers of turns per pole?
|
|
1
|
977
|
September 12, 2024
|
|
DC Motor Control Using PLC
|
|
0
|
1374
|
June 20, 2024
|
|
How can one calculate the DC capacity for a given solar plant and its corresponding AC capacity?
|
|
1
|
971
|
August 29, 2024
|
|
How do you obtain the relation between no load EMF and terminal voltage in an alternator at leading a negligible power factor?
|
|
0
|
1370
|
May 7, 2024
|
|
What is a transformer differential protection
|
|
1
|
967
|
September 9, 2021
|
|
How can electrical design software minimize wind turbulence in wind turbine power systems?
|
|
0
|
1363
|
January 23, 2024
|
|
How do you calculate torque from voltage in an electric motor?
|
|
1
|
963
|
July 19, 2024
|
|
ATS Sequence of Operation
|
|
0
|
1360
|
August 12, 2024
|
|
What is the purpose of a Stock-bridge damper in High transmission lines
|
|
1
|
957
|
September 3, 2021
|
|
What is the function of a microcontroller?
|
|
0
|
1352
|
September 11, 2024
|
|
Explain the purpose of LVDTs in Analog Electronics?
|
|
0
|
1350
|
June 13, 2024
|
|
What is superposition theorem
|
|
1
|
951
|
July 15, 2021
|