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Home - ESD/Pulsed EMI Compliance
Biddle 65-100JD

Biddle 65-100JD

Biddle 65-100JD "Thumper" Impulse Generator / Cable Test System
Catalog # 651028

This test set is designed to locate cable faults by the high voltage impulse method on cables rated up to 35 kV ac phase-to-phase. This is a combination type system because it combines the three related functions of a dc proof tester, a dc cable fault burner, and an impulse generator, all having a common power supply.

This test set is composed of two main sections: PROOF/BURN and IMPULSE. Both of these sections are supplied with high-voltage from a self-contained high voltage power supply. In the PROOF/BURN mode the test set provides a continuous dc output which is used for the BURN operation as well as for PROOF testing. When in the IMPULSE mode, a high-voltage capacitor is periodically charged and discharged to produce a high energy pulse. This pulse is used as a traceable signal for cable fault locating.

Specifications:

Power Input 120 Vac at 50 or 60Hz Standard (must be specified)
Recommended source: NEC 15 Ampere 120V single phase.
Recommended ground:

Solid metallic with a resistance of less than 5 ohms.

Voltage (rms): 120V: Nominal rating,
102 to 132V: Operating range.
Current maximum (rms):

9 Amperes continuous on BURN mode.
9 Amperes pulsing in IMPULSE mode.

Optional Power Input, 220 or 240V at 50 or 60 Hz (must be specified.)
Recommended source: NEC 15 Ampere 240V single phase.
Recommended ground: Solid metallic with a resistance of less than 5 ohms.
Voltage (rms): 240V full rating,
204 to 264V operating range or 220V full rating,
198V to 242V operating range.
Current maximum (rms):

5 Amperes continuous in BURN mode.
5 Amperes pulsing in IMPULSE mode.

Output
  Impulse Mode
  Peak Voltage: 25 kV maximum, continuously variable 0 to 25 kV.
  Capacitance: 4 μF.
  Stored Energy: 1250 Joules (watt-secs) at 25 kV (maximum).
  Peak Current: Approximately 16 kA (50 ft. output cable short-circuited).
  Time for Voltage
Pulse to decay to 5%:
150 microseconds (50 ft . output short-circuited).
  Polarity: Negative with respect to ground.
  Impulse Timing: Fixed. 6 seconds for 60 Hz;
7.2 seconds for 50 Hz.
  Internal Energy
Discharge Time:
Less than 10 seconds to 1% of starting value (4 pF).
  Test Energy
Discharge Time:
Less than 10 seconds to 1% of starting value for a test cable capacitance of 4 uF (time porportional to load capacitance).
  Proof/Burn Mode:
  Peak Voltage: 30 kV maximum, continuously variable 0 to 30 kV.
  Polarity: Negative with respect to ground.
  Voltage Build-Up Time: 5 kV per second initial rate for 4 pF test cable.
  Discharge Time: Less than 10 seconds to 1% of starting value for a test cable capacitance of 4 pF. Time proportional to load capacitance.
  Peak Current: 50 mA continuous 50 or 60 Hz into short circuit.

Please contact us for more information on the Biddle 65-100JD


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