Tagged Questions

Tag Info //  Motors

One 3-phase induction motor is running, voltage (RY=392V, YB=394V, BR=380V), current (R=2.1A, Y=2.9A, B=2.1A), speed=2900rpm, pf=0.8. How to calculate motor efficiency and torque, give the formula.

Motor Starting Current and Transformer Size

4/23/2014 naban
Motors
3 Answers
0 Votes
6363 Views

Motor starting phase reversal

3/26/2014 ram31
Motors
1 Answers
0 Votes
3102 Views

Twin Armature (Rotor) Rotary-Linear Induction motor

9/26/2013
Motors
0 Answers
0 Votes
3137 Views

Meaning of "mult.symb" in motor specifications

9/10/2013 Mirko Lezajic
Motors
1 Answers
0 Votes
3378 Views

Motor Voltage Drop at Starting timeAccepted Answer

7/31/2013 Pattabhiraman
Motors
1 Answers
0 Votes
3977 Views

Induction Motor Calculation

5/31/2013 Hareesh
Motors
1 Answers
0 Votes
6119 Views

Motor Winding Insulation

11/6/2012
Motors
Insulation Resistance
0 Answers
0 Votes
3701 Views

Effect of voltage drop on induction motor current

5/15/2012 Interserve
Motors
2 Answers
0 Votes
15864 Views

Help me size this motor cable?

4/20/2012 Steven McFadyen
Motors
1 Answers
0 Votes
4247 Views

Current transmitter with VFD controlled motor

Motors
Variable Frequency Drives
1 Answers
0 Votes
3237 Views

Motor protection using Current transmitter?

Motors
1 Answers
0 Votes
3382 Views

How to Calculate Motor HP & RPM

9/12/2011 Steven McFadyen
Motors
1 Answers
0 Votes
9703 Views

Related Tags

  • Motors
    12 questions
  • All Tags

Magicians of Engineering

The other day I was reading 'Night of the New Magicians' by Mary Pope Osborn with my son.  The story is about a young boy and girl who travel back in time...

Gas Insulated or Air Insulated Switchgear

Various arguments exist around SF6 Gas Insulated (GIS) and Air Insulated (AIS) medium voltage switchgear. Recently we had to change a GIS design to AI...

Are We Losing Professional Integrity

I have been thinking recently that there appears to be less professional integrity around than when I first started my career in electrical engineering...

Induction Motor Equivalent Circuit

Induction motors are frequently used in both industrial and domestic applications.  Within the induction motor, an electrical current in the rotor is induced...

UPS - Uninterruptible Power Supply

A UPS is an uninterruptible power supply.  It is a device which maintains a continuous supply of electrical power, even in the event of failure of the...

Three Phase Current - Simple Calculation

The calculation of current in a three phase system has been brought up on our site feedback and is a discussion I seem to get involved in every now and...

Switchboard - Forms of Internal Separation

IEC 61439 'Low-voltage switchgear and controlgear assemblies', specifies standard arrangements of switchboard (call forms of internal separation). The...

Resistors

Resistors are electronic components that oppose the flow of current.  Manufactured in various types and ranges they have a wide application to electronics...

Earth Electrode Resistance

Earthing of electrical systems is essential for the correct functioning and the protecting of life and equipment in the event of faults.  The earth electrode...

Operational Amplifier

The fundamental component of any analogue computer is the operational amplifier, or op amp. An operational amplifier (often called an op-amp,) is a high...

Our website uses cookies so that we can provide a better experience.
To learn more about what cookies are and how to manage them visit AboutCookies.org