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SWG32-33kV Portable Cable Fault Detector

Cable Fault Detector Machine

SWG-32 is a 1-phase mobile cable test and fault location system, for buried power cables.

  • Test medium & high -voltage cables with DC voltage up to 32 kV.
  • Fault conditioning by burning faulty cable insulation with current up to 100 mA @ 32 kV
  • Pre-locating cable faults with the reflectometer RIF-9 based on the low-voltage pulse reflection method (TDR), Arc reflection method(ARC single shot / ARC multi-shot), Current pulse method (ICE) and high-voltage decay method (DECAY)
  • Pinpointing cable faults with the acoustic method with 2000 J surge generator and a suitable signal receiver

Powerful 2000 J surge generator is accompanied with a surge voltage level switch allowing receiving maximum surge power at 8, 16 and 32 kV. High surge energy enhances the possibilities of fault pinpointing by providing a stronger signal in the conditions of high interference, deeply buried cable, or long distance to the place of fault.

Easy to Operate: Detachable reflectometer RIF-9 (pre-locator) is equipped with extra-bright 10.4'' display with touch screen technology & rotary controller knob, which makes fault pre-location quick through easy and efficient menu control.

SWG-32 provides a reliable, safe, and comprehensive solution for a complete servicing of medium & high voltage power cables.

Operating Modes:

  •  Symmetric and Asymmetrical (time domain reflection) measurement
  • ARC single shot / ARC multi-shot pre-location
  • Impulse current method (ICE)
  • Decay method
  •  Surge levels 0 ... 8 / 16 / 32 kV
  • Fault conditioning (burning) with up to 100 mA @ 32 kV

Specifications
Product Specification

 

 

High-voltage testing (D C)

Output voltage range

0…32 kV

Output current range

0…10 mA

Voltage adjustment type

Continuous

Indication

Analogue output voltage and leakage current in real time

Measurement error

± 3 %

 

 

Fault conditioning

(Burn)

Output DC voltage range

0…32 kV

Output current range

0…100 mA

Voltage adjustment type

Continuous

Indication

Analogue output voltage and leakage current in real time

Measurement error

± 3 %

 

 

 

 

 

 

 

 

 

 

 

 

 

Fault pre-location

(RIF-9)

Pre-location methods

· T DR

· ARC single shot

· ARC multi-shot

· ICE

· DECAY

Measurement ranges (for shortening coefficient of 1.50 or v/2 = 100 m/μs)

0…60 / 120 / 250 / 500 / 1000 / 2000 / 5000 /10,000 / 20,000 / 50,000 / 120,000 m

Resolution:

· for shortening coefficient of 1.5(v/2 = 100 m/μs)

· for shortening coefficient 1.87 (v/2= 80.2 m/μs)

 

0.5 m

 

0.4 m

Distance measurement accuracy

0.2% of measurement range

Sampling rate

200 MHz

Time mark accuracy

0.01 %

Output impedance range

2…100 Ω, resolution 2 Ω

Probe pulse parameters:

· Voltage

· Width range

 

45 V

10 ns…100 μs

Gain range

- 21…+ 69 dB

Shortening coefficient range

0.750…3.000, resolution 0.001

Propagation velocity v/2 range

50.0…200.0 m/μs, resolution 0.1 m/μs

Probe pulse parameters:

· reflectograms with parameters

· data on cable shortening coefficients

 

1000

500

 

 

 

Fault pinpointing

(Surge)

Surge voltage range levels

· 0...8 kV

· 0...16 kV

· 0...32 kV

Voltage adjustment within each level

Continuous

Surge energy at each level

Up to 2000 J

Surge rate

Single discharge, manually triggered

4…12 surges/min, automatic mode

Indication

Analogue output voltage in real time

 

 

 

 

Controls and interfaces

Connection interfaces

· USB-A (user memory stick, formatted under FAT32)

· USB-B (service only)

Graphical display

·         Reflectometer RIF-9

10.4” color TFT, 800 × 600 px, resistive touch

Operating modes switch

Yes

Surge voltage levels switch

Yes

Secondary control interface

Rotary encoder

Internal memory

10,000 test results

 

 

 

Connections

HV cable KEP -40 DC

10 m

Power supply cable

10 m

TDR connection cable RG -58, 1 -phase

2.4 m

Protective Earthing cable KEP -10GCt, copper 10 mm2, transparent

10 m

Earthing control cable (red)

10 m

 

 

 

 

Safety

 

 

 

Protection

· Operating against auxiliary grounding control

· Chassis potential control

· Overvoltage, overcurrent, overheating protection

· EMERGENCY STOP button, automatic discharge

· Operator lockout key

 

Power supply and consumption

Supply voltage

230 V ±10 % AC, single phase

Supply frequency

50 Hz

Power consumption

2.0 kVA

 

Physical

Dimensions, H × W × D (with RIF -9)

1215 × 764 × 675 mm

Total weight (with RIF -9, connection cables)

185 Kg

Protection rating (as per EN 60529)

IP 30 open, IP65 enclosed

Product Info Downloads
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