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SWG12-11kV Portable Cable Fault Locator

Power Cable Fault Locator

SWG-12 is a 1-phase mobile cable test and fault location system, for buried power cables:

  • Test low-voltage power cables of 1kV up to 11KV medium-voltage cables or higher with:
  • DC voltage up to 12 kV
  • Fault conditioning by burning faulty cable insulation with current up to 100 mA @ 12 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 1100 J surge generator and a suitable signal receiver.

Powerful 1100 J surge generator with a surge voltage level switch allows maximum surge power at surge voltage ranges of 3, 6 and 12 kV. High surge energy enhances the possibilities of fault pinpointing byproviding a stronger signal in the conditions of high interference, deeply buried cables, 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-12 provides a reliable, safe, and comprehensive solution for a complete servicing of low to medium-voltage voltage power cables.

Operating Mode:

  • Symmetric and Asymmetrical (time domain reflection) measurement
  • ARC single shot / ARC multi-shot pre-location
  •  Impulse current method (ICE)
  • Decay method
  • Surge levels 0 ... 3 / 6 / 12 kV
  • Fault conditioning (burning) with up to 100 mA @ 12 kV

Specifications
Product Specification

 

 

High-voltage testing (DC)

Output voltage range

0…12 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…12 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

· TDR

· 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 of1.5 (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…3 kV

·         0…6 kV

·         0…12 kV

Voltage adjustment within each level

Continuous

Surge energy at each level

Up to 1100 J

Surge rate

Single discharge, manually triggered

4..20 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, touch screen

Connection interfaces

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

USB-B (service only)

Operating modes switch

Yes

Surge voltage levels switch

Yes

Secondary control interface

Rotary encoder

Internal memory

10,000 test results

 

 

Connections

HV cable KEP -12DC

6 m

Power supply cable

6 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)

6 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

1.0 kVA

Power supply and consumption

Dimensions, H × W × D (with RIF -9)

1172 × 775 × 603 mm

Total weight (with RIF -9, connection

cables)

120Kg

Protection rating (as per EN 60529)

IP 30 open, IP65 enclosed

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