Megger DELTA 4000, Reference Manual

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40 DELTA 4000 ZM-AH02E
Index
A
Air-blast circuit-breakers 30
Air magnetic circuit-breakers 33
Autotransformers 19
B
Bushings 22
Bushing tests
24
Bushing test tap 23
Bushing troubles 24
Bushing voltage tap 22
C
Cables 35
Capacitance graded bushing
23
Capacitance (of bushing) 23
Cast insulation bushing 23
Circuit breakers 28
Composite bushing 23
Compound-filled bushing 23
Condenser bushings 23
Connections for UST/GST 8
Creep distance 23
Current, capacitance and dissipation factor relation-
ship 7
Current transformers 21
D
DELTA 4000 test modes 8
DF (PF) of typical apparatus insulation 11
Dissipation factor 14
Dissipation factor of typical apparatus insulation 11
Dissipation factor of typical insulating materials 11
Dry-type transformers
22
E
Electrostatic interference 14
H
High-Voltage turns-ratio measurements 38
Hot collar test 27
Humidity 13
I
IEEE 62-1995 power factor values 11
Insulating envelope 23
Internal insulation 23
Interpretation of measurements 10
Introduction 6
Inverted tap to center conductor test
26
L
Liquids 37
M
Miscellaneous assemblies and components 37
N
Negative dissipation factor 14
Non-condenser bushings 23
O
Oil circuit-breakers 28
Oil circuit reclosers 33
Oil-filled bushing 23
Oil-impregnated paper insulated bushing 23
P
Permittivity of typical insulating materials 11
Potential transformers 21
Power and dissipation factor & capacitance test 26
Power factor of typical apparatus insulation 11
Power factor values 11
R
Resin-bonded paper-insulated bushing 23
Resin impregnated paper-insulated bushing 23
Rotating machines 33
S
SF6 Circuit-breakers 31
Shunt reactors 21
Significance of capacitance and dissipation factor 10
Significance of humidity
13
Significance of temperature 12
Solid bushing 23