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TDR9000 - Medición de Resistencia Dinámica
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Dynamic voltage drop measurement
Jozef LeviDoble Engineering Company
Dynamic voltage drop measurement
High voltage breaker - contact system
Typical contact configuration
Contact material
Dynamic voltage drop measurement
Timing circuit breaker
first contact
contact bounce
closed
open Time (ms)
1
0
Closing operation – Timing result
Low injected currentMultiple current break
Dynamic voltage drop measurement
High direct current injectedTrip free operation Voltage drop measurement across terminals
Measurement
Dynamic voltage drop measurement
Trip free operationBreaker open
Breaker in open position
Dynamic voltage drop measurement
Dynamic voltage drop measurement
Power source
Trip free operationBreaker closed
Power source
Dynamic voltage drop measurement
voltage drop
current
TDR9000
TDR9000 with Event Module
Trip free operationOpening breaker
Dynamic voltage drop measurement
Breaker in open position
Trip free operationBreaker open
Dynamic voltage drop measurement
current
voltage drop acrossterminals
time(ms)Volta
ge d
rop
(V)
Dynamic voltage drop measurement
vibration during contactpenetration
main contact closed
arcing contactopen
Volta
ge d
rop
(V)
time(ms)
Dynamic voltage drop measurement
main contact open
arcing contact radius arcing contactopen
Volta
ge d
rop
(V)
time(ms)
Dynamic voltage drop measurement
Overlaid results
one contact shorter
main contactopen
Volta
ge d
rop
(V)
time(ms)
Dynamic voltage drop measurement
Analog result
Digital result
Dynamic voltage drop measurement
Different breakersSF6 breakers Bulk oil breaker
Test results
Air blast breaker
Dynamic voltage drop measurement
GE FK 38
time(ms)
Voltage drop(V)
CLOSED
OPEN
Main contacts
Power source
Dynamic voltage drop measurement
ALSTOM (AEG) Sw145
Dynamic voltage drop measurement
Mitsubishi 100SFMT
Dynamic voltage drop measurement
Delle PK-6
DC current
voltage dropContact system
Dynamic voltage drop measurement
Energomex SFE16-2
current
voltage drop
Closing operation
main contact
Dynamic voltage drop measurement
Energomex SFE16-2
main contact
main
contact
Voltage drop
Dynamic voltage drop measurement
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