Portable cable test and fault location system on low and medium voltage power cables
Product features
HM-A300 is used for main insulation fault pre-locating, It can test various faults of power cables of different voltage levels, different cross sections, different media and various materials under 35KV, including: open circuit, short circuit, low resistance, high resistance leakage, high resistance flashover fault etc. And accurate testing of railway airport signal control cables and streetlight cable faults. Working method: TDR,ICE,ARC
Componet's information:
Application: I. Power cable fault pre-locator
It is used for main insulation fault pre-locating, It can test various faults of power cables of different voltage levels, different cross sections, different media and various materials under 35KV, including: open circuit, short circuit, low resistance, high resistance leakage, high resistance flashover fault etc. And accurate testing of railway airport signal control cables and streetlight cable faults.
Working method: TDR,ICE,ARC
Main Technical parameter 1.It can test various faults of power cables of different voltage levels, different cross sections, different media and various materials under 35KV, including: open circuit, short circuit, low resistance, high resistance leakage, high resistance flashover fault etc.
2.It can test various faults of railway communication control cable, street light cable, airport signal cable,
3.Measure the speed of radio wave propagation in any cable of known length. 4.Testable power cable buried path and buried depth 5.It shall be capable of locating /detecting all underground transmission cable fault up to 35 KV network 6.Display method: 12.1-inch industrial grade LCD screen (win7 operating platform) 6.Testing distance≤100km. 7.Operation method: Dual operation, touch pen and touch mouse operation 8.Testing method: Low-voltage pulse method, flash current method, multiple pulse method. 9.Storage: 8G 10.Shortest test distance (blind area):0-5m or no blind area 11.Resolution: V/fm; V is the wave velocity m/μs; software cursor 0.10 m 12.Accuracy Pointed error: ±0.2m Testing error: system error ≤±1% 13.Instrument sampling frequency:3.125 MHz ,6.25MHz,12.5MHz,25MHz,50MHz,100MHz,200 MHz,250 MHz; 14.Pulse Width: 50ns,80 ns,100ns,200 ns,1μs,2μs,5μs,10μs (automatic match) 15.Standby time: Can be used continuously for about 6 hours 16.Host net weight: 8kg 17.Host measuring size: 180mm×300mm×400mm 18. Environment temperature :-20ºC~+40ºC,relative humidity:80% 19. Power and power consumption:AC 220V±10% ≤15W DC 12V(7AH) ≤ 20W
Used to offer the multi-impluse coupling signal for the cable fault location
Automatically analyse the fault waveform cooperated with HM-300 Host Main parameter
Output voltage <40kV
Power supply: AC 220V, 50hZ.
III. Cable fault locating HV signal generator Application: Inject the impluse high voltage into the faulty cable to repeat the fault for pre-locating and pinpointing Main Technical Parameter 1.Output voltage:Negative pressure, 0~-35kv continuously adjustable 2.Working current:≤40mA 3.Operating mode: Single pulse, continuous pulse, DC output 4.Built-in capacitor:2uF/35kv 5.Discharge energy:≤1225J 6.Pulse period:3s~8s automatic 7.Automatic discharge: Automatic discharge at shutdown 8.Working power:220V±10% 9.Operating temperature:-10ºC~40ºC 10.Working humidity:≤80% Altitude:≤1000m
IV.Cable Fault Tracing and Pinpointer Application: Power cable main insulation path tracing and fault p Inpointing. HM-R10 path meter