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15kVA/150KV Partial Discharge Test System (GDYT-15/150)

15kVA/150KV Partial Discharge Test System (GDYT-15/150)

HZ-9003C multifunctional partial discharge tester is used for on-line detection and location of partial discharge of HV equipment, which is designed based on our many years experiences in the partial discharge measuring fields.
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Product Details of 15kVA/150KV Partial Discharge Test System (GDYT-15/150)

Product Introduction

Our factory has a history of more than ten years in the six phase protection relay test set, transformer onload tapchanger tester, battery discharge device industry with rich experience, and that's how we won market reputation. Our production line staff have rich production management experience, including production planning, production line management, production line maintenance. Our original production, ingenuity manufacturing, quality assurance, reasonable price, looking forward to your cooperation. 'Only choose the right, not the expensive'. How to stand in the perspective of customers, it is the most difficult to provide the most suitable products for customers according to the needs of customers. This is the advantage of our company. We are committed to the development of high, refined, top products. And we use 'High efficiency, superior performance' as business goal to achieve the development of enterprise, social service goals and further development.

HZ-9003C Handheld Multifunctional Partial Discharge Tester

Overview

The HZ-9003C multifunctional partial discharge tester is designed for on-line detection and location of partial discharge in high-voltage equipment. It is developed based on our extensive experience in the field of partial discharge measurement.

Multifunctional Partial Discharge Tester

Multifunctional Partial Discharge Tester

Multifunctional Partial Discharge Tester

Multifunctional Partial Discharge Tester

System Overview

The system is equipped with composite TEV sensors, ultra-high frequency (UHF) sensors, high-frequency current transformers (HFCT), and high-sensitivity ultrasonic sensors to collect partial discharge signals from high-voltage equipment. It employs multilevel detection frequency reduction techniques to lower the discharge frequency of signals, while utilizing high-speed AD conversion circuits for signal digitization. Digital signal processing and adaptive filtering interference suppression methods ensure the reliability of test data.

By collecting various signals generated by partial discharge in different high-voltage equipment, the system enables rapid assessment of equipment operating status. The tester can be installed for online detection without affecting equipment operation, allowing workers to promptly evaluate switchgear cabinet conditions. This significantly improves equipment operational reliability, safety, and effectiveness.

System Components

The HZ-9003C includes:

  • Device host

  • Specialized partial discharge detection software

  • TEV sensor

  • Ultrasonic sensor (USS)

  • Ultrasonic concentrator (ELTW)

  • High-frequency current transformer (HFCT)

  • UHF sensor

  • Earphone and connecting cables

Technical Data

Composite TEV measurement

Sensor

Capacitive

Range

0~60dBmV

Resolution

1dB

Error

±1dB

Detection Bandwidth

5~70MHz

Pulse/Cycle maximum

655

Threshold adjustment range

3~57dB

High frequency current transformer

Detection Bandwidth

10kHz~30MHz

Signal transit mode

50Ω cable

Detection sensitivity

10pC

Ultrasonic concentrator

Measurement range

-7dBμV~68 dBμV

Resolution

1dB

Error

±1dB

Sensor sensitivity

-65dB (0dB = 1volt/μbar effective value SPL)

Sensor central frequency

20~50kHz

Sensor diameter

no more than 50mm

Heterodyne frequency

38.4kHz

Non - contact ultrasonic energy collector

Effective acceptance distance

30m

Sensor center frequency

40 kHz

Diameter of sensor

16mm

External diameter of parabolic reflector

275mm

Standard diameter of parabolic reflector

250mm

Weight

0.6kg

Ultrahigh frequency sensor

Detection bandwidth

300MHz~1.5GHz

Signal transit mode

50Ω cable

Detection sensitivity

1dB

Gain

>65dbm

Anti-interference Earphone Mic

Earphone Mic

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We sincerely welcome new and old customers all over the world with excellent product quality of the 15kVA/150KV Partial Discharge Test System (GDYT-15/150) and high-quality service system. We strictly follow the principle of system reliability and system flexibility, fully combine the process requirements and characteristics, and wholeheartedly provide technical support for customers. We focus on the challenges and pressures of customer concerns, provide competitive products and services, and continue to create maximum value for our customers.

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