lecture#15 testing of electrical equipment advance h v engg
TRANSCRIPT
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8/13/2019 Lecture#15 Testing of Electrical Equipment Advance H v Engg.
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Advance High Voltage Engineering
Lecture-12
Prof. Dr. Suhail A. Qureshi
Elect. Engg. Deptt. UET,Lahore.
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1.1
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1.1.1
High Voltage Testing of Electrical Apparatus
Testing of Insulators and Bushings
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Testing of Insulators and Bushings
Definitions
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DefinitionsTesting of Insulators and Bushings
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High Voltage Testing of Electrical Apparatus
DefinitionsTesting of Insulators and Bushings
Fig: 1 and 2
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High Voltage Testing of Electrical Apparatus
DefinitionsTesting of Insulators and Bushings
Fig:1 Computation of absolute humidity from wet anddry bulb thermometer temperatures
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DefinitionsTesting of Insulators and Bushings
Fig: 2 Humidity Correction factor.
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Testing of Insulators and Bushings
1.1.2
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High Voltage Testing of Electrical Apparatus
Testing of Insulators and Bushings
1.1.2 Tests on Insulators
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Testing of Insulators and Bushings
1.1.2 Tests on Insulators
Power Frequency Tests
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Testing of Insulators and Bushings
1.1.2 Tests on Insulators
Impulse Tests
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Testing of Insulators and Bushings
1.1.2 Tests on Insulators
Impulse Tests
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Testing of Insulators and Bushings
1.1.3
i h l i f l i l
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High Voltage Testing of Electrical Apparatus
Testing of Insulators and Bushings
1.1.3 Testing of Bushings
Power Frequency Tests
Hi h V l T i f El i l A
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High Voltage Testing of Electrical Apparatus
Testing of Insulators and Bushings
1.1.3 Testing of Bushings
Power Frequency Tests
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High Voltage Testing of Electrical Apparatus
Testing of Insulators and Bushings
1.1.3 Testing of Bushings
Power Frequency Tests
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High Voltage Testing of Electrical Apparatus
1.2
1.2.1
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High Voltage Testing of Electrical Apparatus
Testing of Isolators and Circuit Breakers
Introduction
Hi h V lt T ti f El t i l A t
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Testing of Isolators and Circuit Breakers
Introduction
High Voltage Testing of Electrical Apparat s
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High Voltage Testing of Electrical Apparatus
Testing of Isolators and Circuit Breakers
1.2.2
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Testing of Isolators and Circuit Breakers
Short Circuit Tests
Fig: 3
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Testing of Isolators and Circuit Breakers
Short Circuit Tests
Fig: 3 Schematic diagram showing basic elements of a shortcircuit testing laboratory.
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Testing of Isolators and Circuit Breakers
Short Circuit Tests
Fig: 4
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High Voltage Testing of Electrical Apparatus
Testing of Isolators and Circuit Breakers
Short Circuit Tests
Fig: 4
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Testing of Isolators and Circuit Breakers
Short Circuit Tests
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High Voltage Testing of Electrical Apparatus
1.3
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High Voltage Testing of Electrical Apparatus
Testing of Cables
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Testing of Cables
Fig: 5 Cable and terminals.
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Testing of Cables
1.3.1
1.3.2
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Testing of Cables
1.3.2 Dlelectric Power Factor Test
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Testing of Cables
1.3.3
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Testing of Cables
1.3.4
7(a)
7(a)
7(b)
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Testing of Cables
Fig:7
1.3.4 Partial Discharges
Discharge Measurement
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Testing of Cables
1.3.4 Partial Discharges
Discharge Measurement
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High Voltage Testing of Electrical Apparatus
Testing of Cables
1.3.4 Partial Discharges
Discharge Measurement
Fig: 8
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High Voltage Testing of Electrical Apparatus
Testing of Cables
1.3.4 Partial Discharges
Discharge Measurement
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Testing of Cables
1.3.4 Partial Discharges
Discharge Measurement
Fig: 9
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Testing of Cables
1.3.4 Partial Discharges
Discharge Measurement
Fig: 10
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1.4
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Fig: 11
Fig: 11
1.4.1
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Testing of Transformers
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Fig: 11
Fig: 12
Fig: 13
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Testing of Transformers
Impulse Testing of Transformers
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Fig: 12
Testing of Transformers
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Impulse Testing of Transformers
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Fig: 13
Impulse Testing of Transformers
Testing of Transformers
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Impulse Testing of Transformers
Testing of Transformers
Fig: 14
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Impulse Testing of Transformers
Testing of Transformers
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1.5
1.5.1
Table: 1
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Testing of Surge Diverters
High Voltage Testing of Electrical Apparatus
Tests on Surge Diverters
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Testing of Surge Diverters
Tests on Surge Diverters
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1.5.3
High Voltage Testing of Electrical Apparatus
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High Voltage Testing of Electrical Apparatus
High Current Impulse Test on Surge Diverters
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High Voltage Testing of Electrical Apparatus
High Current Impulse Test on Surge Diverters
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High Current Impulse Test on Surge Diverters
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1.6
1.6.1
High Voltage Testing of Electrical Apparatus
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Radio Interference Measu rements
1.6.2
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Fig:15
Radio Interference Measu rements
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Radio Interference Measu rements
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Fig: 16
Radio Interference Measu rements
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Fig: 17
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Radio Interference Measu rements
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1.6.3
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Test Circuits for the Measurements
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