06EE753 - Testing and Commissioning of Electrical Equipment Regulation (2006 - 2007) |
PART – A |
UNIT – I and II TRANSFORMERS |
a. Specifications: Power and distribution transformers as per BIS standards.
b. Installation: Location, site, selection, foundation details (like bolts size,
their number, etc), code of practice for terminal plates, polarity & phase
sequence, oil tanks, drying of windings and general inspection.
c. Commissioning tests: Following tests as per national & International
Standards, volt ratio test, earth resistance, oil strength, Bucholz & other
relays, tap changing gear, fans & pumps, insulation test, impulse test,
polarizing index, load & temperature rise test.
d. Specific Tests: Determination of performance curves like efficiency,
regulation etc, and determination of mechanical stress under normal
&abnormal conditions. |
UNIT – III and IV SYNCHRONOUS MACHINES |
a. Specifications: As per BIS standards.
b. Installation: Physical inspection, foundation details, alignments,
excitation systems, cooling and control gear, drying out.
c. Commissioning Tests: Insulation, Resistance measurement of armature &
field windings, waveform & telephone interference tests, line charging
capacitance.
d. Performance tests: Various tests to estimate the performance of generator
operations, slip test, maximum lagging current, maximum reluctance power
tests, sudden short circuit tests, transient & sub transient parameters,
measurements of sequence impedances, capacitive reactance, and separation
of losses, temperature rise test, and retardation tests.
e. Factory tests: Gap length, magnetic eccentricity, balancing vibrations,
bearing performance |
PART – B |
UNIT – V , VI and VII INDUCTION MOTORS |
a. Specifications for different types of motors, Duty, I.P. protection.
b. Installation: Location of the motors (including the foundation details) &
its control apparatus, shaft & alignment for various coupling, fitting of
pulleys & coupling, drying of windings.
c. Commissioning Test: Mechanical tests for alignment, air gap symmetry,
tests for bearings, vibrations & balancing.
Electrical Tests: Insulation test, earth resistance, high voltage test, starting
up, failure to speed up to take the load, type of test, routine test, factory test
and site test (in accordance with ISI code.
d. Specific Tests: Performance & temperature raise tests, stray load losses,
shaft alignment, and re-rating & special duty capability. |
UNIT – VIII SWITCH GEAR & PROTECTIVE DEVICES |
Standards, types,
specification, installation, commissioning tests, maintenance schedule, type
& routine tests.
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REFERENCE |
TEXT BOOKS: |
1. Testing & Commissioning Of Electrical Equipment -S. Rao.
2. Testing & Commissioning Of Electrical Equipment -B .V. S.
Rao.
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Reference Books |
1. Relevant Bureau of Indian Standards.
2.“A Handbook on Operation and Maintenance of
Transformers”-H. N. S. Gowda.
3. Transformer & Switch Gear Handbook -Transformers-BHEL, J
&P, J & P
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