Generator Synchronization Power Swings
Wild power swings while synchronizing stand-by generator back to the grid.
(I2)^2t Protection for Induction Motors
Negative Sequence Current Protection for Induction Motors
Dependency of Power factor on voltage current and frequency.
Calculating the Efficiency of an Induction Motor
how to calculate efficiency of motor which is in running?
Physics of ... Tap-Changer
The question is asked often, but never a viable answer!
Supplying Generator Rotor Using Carbon Brushes
why we give supply generator rotor DC directly through carbon brushes instead of exciter?
Calculating Motor Specifications To Run a Conveyor
How to calculate specifications for motor to run conveyor system?
Help with a SCR heating circuit
Measuring Viscosity of Dense Liquid
I have an application where I have to read real time viscosity of a thick, viscous and opaque liquid, whose viscosity changes with time.
Grounding Current Transformers
Need for grounding of secondary terminal of current transformer.
Generator and Capacitor Bank
Totally stumped by the recent brawl over utility of capacitor bank in power generation.
Transformer Differential Relay Protection during Open-Phase
Transformer Differential Relay Protection during Open-Phase. Possibility of the relay to trip during line to ground fault or open conductor outside the zone of the differential scheme?
Speed of Synchronous Generator
Posted by Muhammad Salman on 26 February, 2010 - 4:08 pm
Why Speed of Synchronous Generator decrease with increasing speed?
What is the current flowing when one fuse blows in a three phase star connected capacitor bank?
Over-speeding of Slave Motor in Rock Conveying System
Posted by Ravindra K Maheshwari on 28 September, 2014 - 6:16 am
Rock coveyor is being driven by Master and slave, two motors in load sharing mode. Slave motor is over-speeding when master gets higher loads.
DCS Control of Power Plants
Scope of DCS programming in a Power Plant
Pump Running Indication on Control Circuit
How can I properly wire my pump panel to show that when the pump is actually running I get an indicator on my PLC/HMI.
Reverse power of Engine 1 when syncing in MSB bus-tie
Auto-Synchronizing GE Frame 7EA
What is auto-synch frequency window for GE Frame 7EA
Automatic Volage Regulation
Question on the behavior of AVR after synchronization.
Initial Torque Required for Gas Turbine
How to calculate the initial torque required by gas turbine
Power Factor on LV/HV Sides of a Transformer
how to analyse the power factor of a system across a transformer
High School Math - How is this used in the real world?
My high school students ask when/how/if abstract topics like polynomials, factoring, rational functions are ever actually used in the Real World. I don't know..maybe you do?
Different modes of AVR operation
Brush AVR A-30 different modes of operation?
Generator protection - Rotor earth fault
Why does Rotor earth fault protection have two stages
Is there a standard that says the highest voltage cable should go in the top or the bottom tray?
Transformer Secondary Voltage Ratings
Questions about transformer secondary voltage ratings
Turbine Vibration micronmteter to mm/s conversion table
Posted by Balasubramanian on 1 June, 2014 - 5:18 am
How to convert the Turbine shaft vibration in micrometer to mm/s conversion?