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ELECTRICAL
POWER, MACHINES, AND POWER ELECTRONICS LABORATORIES
(1) Electric Power Transmission System 220/380 V-50 Hz
Lab Equipment:
|
QTY |
Description |
|
1 |
Mobile Workstation |
|
1 |
DC Motor/Generator |
|
1 |
Four pole squirrel cage induction motor |
|
1 |
Three phase wound rotor induction motor |
|
1 |
Three phase synchronous Motor/Generator |
|
1 |
Resistive Load |
|
1 |
Inductive Load |
|
2 |
Three Phase Transition line |
|
1 |
Capacitive load |
|
1 |
Three phase transformer Ratio 1:1 |
|
1 |
Three phase regulating autotransformer |
|
1 |
DC Voltmeter/Ammeter |
|
1 |
AC Ammeter |
|
1 |
AC Voltmeter |
|
2 |
Three Phase Wattmeter/Varmeter |
|
1 |
Phase meter |
|
1 |
Power Supply |
|
1 |
Phase Shift Indicator |
|
1 |
Inertia Wheel |
|
1 |
Timing belt |
|
1 |
Connection Leads |
(a)
The following experiments are available:
1.
Safety and
the power supply
2.
Phase
sequence
3.
Real power
and reactive power
4.
Power flow
and voltage regulation of a simple transmission line
5.
Phase angle
and voltage drop between sender and receiver
6.
Parameters
which affect real and reactive power flow
7.
Parallel
lines, transformers and power handling capacity
8.
The
alternator
9.
The
synchronous motor
(b)
Transformer protection experiments:
1.
Three phase
transformer connections
2.
Distribution
transformer connections
3.
Transformer
magnetizing inrush & winding faults
4.
Current
transformers polarity, ratio & saturation
5.
Potential
transformers polarity, ratio & saturation
6.
Current
transformer connection differential interposing circuits
7.
Current
transformer connections for power transformer
8.
Overcurrent
protection of 2-phase power transformers.
9.
Differential
protection of 3-phase power transformers.
10.
Overcurrent
, restricted earth fault and differential protection
(c)
Distribution freeder protection experiments:
1.
Protection
with the coordination
2.
Protection
with current coordination
3.
Protection
with time and current coordination
4.
Feeder
protection with directional earth fault
5.
Ring bus
protection with directional relays
6.
Dual feeder
with partial differential protection
7.
Auto
reclosing
(d)
Generator protection experiments:
1.
Characteristics of the Lab-Volt 8241 synchronous
Motor/Generator
2.
Overcurrent
protection of a synchronous generator
3.
Unbiased
differential protection of a synchronous generator
4.
Reverse
power protection of a synchronous generator
5.
Negative
sequence protection of a synchronous generator
6.
Rotor earth
fault protection of a synchronous generator
7.
Loss of
filed protection of a synchronous generator
8.
Generator
system protection
9.
Under and
over voltage protection of a synchronous generator
(e) Motor
protection experimens:
1.
Differential
protection of an induction motor
2.
Under
voltage protection of an induction motor
3.
phase
reversal protection of an induction motor
4.
overcurrent
protection of an induction motor
5.
phase
balance protection of an induction motor
6.
load (power
factor) protection of an induction motor
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