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  • ZY-PDL5000-局部放电检测定位系统.jpg

ZY-PDL5000 partial discharge detection and positioning system

ZY-PDL5000 partial discharge positioning system is mainly used for partial discharge detection and positioning of high-voltage electrical equipment. The system consists of an ultra-high frequency sensor, an ultrasonic sensor, an ultrasonic preamplifier, a high-frequency current sensor, a signal processing system, and a high-speed oscilloscope. The system adopts a self-developed digital adjustable band signal processing system. In the UHF band, the lower frequency limit can be adjusted to avoid the interference of low frequency noise.

Category:

ZY-PDL5000 partial discharge detection and positioning system

Keywords: online monitoring system | partial discharge detection


Product Description

  ZY-PDL5000 partial discharge positioning system is mainly used for partial discharge detection and positioning of high-voltage electrical equipment. The system consists of an ultra-high frequency sensor, an ultrasonic sensor, an ultrasonic preamplifier, a high-frequency current sensor, a signal processing system, and a high-speed oscilloscope. The system adopts a self-developed digital adjustable band signal processing system. In the UHF band, the lower frequency limit can be adjusted to avoid the interference of low frequency noise. The oscilloscope uses the domestic top RIGOLDS6015 series, the analog bandwidth is 1G, and the sampling frequency is up to 5GS / S , Can accurately and quickly capture the signal details generated by partial discharge.
  ZY-PDL5000 partial discharge positioning system can be used for ultra-high frequency positioning, ultra-high frequency, ultrasonic joint positioning and detailed observation of partial discharge signals.
1
UHF band selection interface
 
  System parameters
  (1) Environmental conditions
  A) Operating environment temperature: -25 ℃ ~ + 55 ℃;
  B) Storage environment temperature: -25 ℃ ~ + 55 ℃;
  C) Relative humidity: 5% to 100%;
  D) Atmospheric pressure: 70kPa ~ 106kPa;
  (2) System parameters
  1 UHF sensor
  External type, the average equivalent height of the 300-1500MHZ band is greater than 8mm.
  2 Ultrasonic sensor
  Resonant frequency is 40KHZ, peak sensitivity is 78Db, 10 --- 300KhHZ, sensitivity is greater than 50Db, and can be used for main transformer and GIS partial discharge monitoring.
  3 high frequency current sensor
  Resonant frequency 8Mhz, frequency bandwidth is about 4Mhz, sensor transmission impedance is greater than 5mv / mA
  5 Ultrasonic preamplifier
  Magnification 20/40 / 60Db optional, differential input / single-ended input optional.
  6 Signal processing system
  6 channels, which are three-channel UHF input and three-channel AE input, in which the lower limit of the frequency of each UHF channel can be selected independently, which is 0.3 / 0.5 / 1.0G optional
  7 Oscilloscope
  See oscilloscope manual
  8 Packaging
  Two damage-resistant trolley cases, which are respectively equipped with oscilloscope and signal processor; various sensors and signal cables.
 
  System configuration checklist

Numbering

Name

Model

Quantity

Note

1

Oscilloscope

RIGOL DS6104
or other

1

Four channels, analog bandwidth 1G, sampling frequency 5GS / S, AC220 / battery dual power supply

2

Signal processor

Zhenyuan Electric ZY-PDL5000

1

Battery-powered, three UHF channels, three AE channels, UHF frequency lower limit (0.3 / 0.5 / 1GHZ) optional

3

Front ultrasonic amplifier

Zhenyuan Electric ZY-AEA01

3

Differential, single-ended input optional, magnification 20/40 / 60Db optional

4

Ultrasonic sensor

Zhenyuan Electric ZY-AESD

3

Differential output, wide band, GIS, main transformer can be used
 

5

UHF sensor

Zhenyuan Electric ZY-PDM1000-SO

3

External

6

HFCT sensor

Zhenyuan Electric ZY-HFCT

3

Open snap type

7

Connecting and grounding wires

 

Several

Meet system wiring needs

8

Auxiliary material

 

Several

Clips, rubber bands, silicone grease, etc.

 

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