Partial discharge monitoring sensor
The company can provide internal and external UHF partial discharge sensors, high-frequency current sensors, ground wave sensors, ultrasonic sensors, etc. according to different voltage levels and structures of GIS, transformers, switch cabinets and other requirements.
Category:
Partial discharge monitoring sensor
Keywords: online monitoring system | partial discharge detection
Product Description
|
Technical Parameters: |
|||
|
Sensor model |
ZY-PDSI-GGIS series |
ZY-PDSI-T transformer series |
ZY-PDSO external |
|
Detection principle |
UHF |
UHF |
UHF |
|
Minimum signal sensitivity |
2PC |
2PC |
5PC |
|
Frequency Range |
0.3-1.5GHZ |
0.3-1.5GHZ |
0.3-1.5GHZ |
|
Installation method |
Built-in |
Built-in |
External |
|
Connector |
N-TYPE |
N-TYPE |
N-TYPE |
|
Sealing performance |
Annual leakage rate is less than 0.1% |
Annual leakage rate is less than 0.1% |
|
|
Special custom |
can |
can |
can |
|
Service life |
30 years |
30 years
|
30 years
|
Note: The detection frequency band is within 0.3-1.5GHZ, and the average value of the standing wave ratio of the sensor is less than 2.5.
Intelligent detection is a major issue for the planning and construction of the ubiquitous electric power Internet of Things system by the State Grid Corporation of China. It is also a key application for solving the problem of interconnection and data sharing of the operation inspection system. It is also an important basis for the practical application of big data analysis for equipment inspection.
A transformer is a device that uses the principle of electromagnetic induction to change AC voltage. The main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are: voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer), etc. It is a key device in the power system. Generally, transformers rarely fail. Once a certain defect occurs inside the transformer equipment, equipment failure is extremely easy to occur. Therefore, strengthening and improving the operation monitoring of transformer equipment is of great significance for ensuring the safe operation of transformers.
DXK-ZY high-voltage charged display is a new type of device to prevent electrical misoperation. It is an inductive (non-contact) high-voltage charged detection device. The device has advanced design, reasonable structure, complete functions, safety and reliability. It has functions such as flashing display, audible alarm, fault self-test and activation of forced blocking circuit, etc., and has high sensitivity and reliability. This device is suitable for outdoor (also suitable for indoor) electrical network or equipment with AC 50Hz and rated voltage of 40.5 ~ 1100kV, and it is used to reflect the charged condition and prevent electrical misoperation. The device is installed on the line grounding knife switch, the bus grounding knife switch and the busbar pressure change grounding knife switch