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PRODUCT LINES

Core High-Voltage Test Equipment

Industrial-grade precision

Digital Partial Discharge Detector

The XYPD-01T is a single-channel digital partial discharge detector combining synchronous sampling, digital signal processing, interference analysis, data storage and test report generation.

Industrial-grade precision

XYPD-02D Dual-Channel/XYPD-04D Four-Channel Digital Partial Discharge Detector

XYPD-02D dual-channel/04D four-channel digital partial discharge detector

Industrial-grade precision

XYPD-02E Two-Channel / XYPD-04E Four-Channel Digital AC/DC Partial Discharge Detector

XYPD-02E Two-Channel / XYPD-04E Four-Channel Digital AC/DC Partial Discharge Detector

Industrial-grade precision

JFD-1C Single-Channel/JFD-2C Dual-Channel Digital Partial Discharge Detector

JFD-1C single-channel/JFD-2C dual-channel digital partial discharge detector

Industrial-grade precision

JF-A01D Single-Channel / JF-A04D Four-Channel Partial Discharge Detector

JF-A01D / JF-A04D Partial Discharge Detector (Touchscreen)

Industrial-grade precision

JZF-10N Digital Calibration Pulse Generator

JZF-10N Digital Calibration Pulse Generator

Industrial-grade precision

Online Partial Discharge Monitoring Device for Switchgear

Online Partial Discharge Monitoring Device for Switchgear

Industrial-grade precision

Partial Discharge and Temperature Monitoring Device (Four-in-One)

The partial-discharge and temperature monitoring device is an online monitoring device installed on primary switchgear in power distribution networks, such as ring main unit switchgear, cable branch boxes and box-type substations. It is used for online monitoring of partial discharge, indicating short-circuit and ground faults in corresponding cable sections, and monitoring real-time temperature. The pulse-current method is a widely recognized and widely used method for measuring partial-discharge quantity, with results expressed in pC.

Industrial-grade precision

JFLB-2 Partial Discharge Isolation Transformer Unit

JFLB-2 partial discharge isolation transformer unit

Industrial-grade precision

JZF-6 Calibration Pulse Generator

JZF-6 calibration pulse generator

Industrial-grade precision

JZF-9 Calibration Pulse Generator

JZF-9 calibration pulse generator

Industrial-grade precision

JZF-10 Calibration Pulse Generator

JZF-10 calibration pulse generator

Industrial-grade precision

High-Current Input Unit

The high-current input unit features a new design and is highly suitable for partial-discharge testing of products such as transformers. It is a measuring impedance for use with a partial-discharge tester. The input unit has a built-in high-density magnetic core that does not saturate, offers good linearity and high current-carrying capacity, and includes a magnet so it can be attached to

Industrial-grade precision

Input Unit (Measuring Impedance)

Input unit (measuring impedance)

Industrial-grade precision

Partial Discharge Shielded Room

A partial-discharge test shielded room is primarily used to prevent external electromagnetic interference from affecting partial-discharge tests. The shielded room must have a good grounding and isolation system to effectively prevent interference from electrostatic fields, magnetic fields and high-frequency electromagnetic waves.

Industrial-grade precision

Partial Discharge / Withstand Voltage Measurement System

Partial Discharge / Withstand Voltage Measurement and Control System

Industrial-grade precision

YXY-TD10 AC/DC Power Supply Test Bench

YXY-TD10 AC/DC Power Supply Test Bench

Industrial-grade precision

YXY-D630 Intelligent Comprehensive Insulation Test Control System

YXY-D630 Intelligent Comprehensive Insulation Test Control System

Industrial-grade precision

YXY-D600 Intelligent Comprehensive Insulation Test Control System

YXY-D600 intelligent comprehensive insulation test control system

Industrial-grade precision

YXY-CJ60 Digital Impulse Voltage Test Control Console

YXY-CJ60 impulse voltage test control console

Industrial-grade precision

YXY-1C Digital Partial Discharge Detection System

YXY-1C digital partial discharge detection system

Industrial-grade precision

YXY-M400 Run-In Test Bench

YXY-M400 Run-In Test Bench

Industrial-grade precision

YXY-C400 Power-Frequency/Triple-Frequency Test Control Console

YXY-C400 power-frequency/triple-frequency test control console

Industrial-grade precision

YXY-TD10 Energization Test Control Console

YXYKGTD-100 multi-power-source test bench

Industrial-grade precision

YXY-A301 Power-Frequency High-Voltage Test Control Console

YXY-A301 power-frequency high-voltage test control console

Industrial-grade precision

YXY-A302 Power-Frequency High-Voltage Test Control Console

YXY-A302 power-frequency high-voltage test control console

Industrial-grade precision

YXY-D330 Intelligent Withstand Voltage Test Console

YXY-D330 Digital Withstand Voltage Test Console

Industrial-grade precision

YXY-G150 Induced Withstand-Voltage Test Control Console

YXY-G150 induced withstand-voltage test control console

Industrial-grade precision

YXY-D30A Intelligent Withstand-Voltage Test System System

YXY-D30A intelligent withstand-voltage test system system

Industrial-grade precision

YXY-A900 Three-Phase High-Current Test Control Console

YXY-A900 three-phase high-current test control console

Industrial-grade precision

Integrated Withstand-Voltage Test Control System

Integrated withstand-voltage test control console

Industrial-grade precision

Dual-Station Surge Arrester Withstand-Voltage Test System

Dual-station digital surge arrester withstand-voltage test system

Industrial-grade precision

YXY-A200 Power-Frequency Test Control Console

This test control console controls switching on and off, voltage ramp-up and ramp-down, and other functions for the complete high-voltage test setup. It also measures the test object's AC voltage, current and other parameters. The measurement error of the supplied instruments is less than 1%; the protection system can respond to over

Industrial-grade precision

YXY-D630A Power-Frequency Burn-In Control Console

The YXY-D630A power-frequency burn-in control console enables automatic voltage ramp-up, staged voltage stabilization and voltage reduction during burn-in, as well as automatic transfer of burn-in parameters to the electronic traveler.

Industrial-grade precision

Triple-Frequency Compensation Unit

This test system consists of a triple-frequency transformer, a voltage regulator, and control, measurement and protection systems. The output voltage is continuously adjustable at a frequency of 150Hz, and the unit is used to conduct triple-frequency tests on test objects.

Industrial-grade precision

Protective Resistor

The protective resistor is connected between the test transformer and coupling capacitor to limit short-circuit current if the test object flashes over, thereby protecting the test transformer. It is constructed with an insulating cylinder frame wound with metal wire and grading rings fitted at both ends.

Industrial-grade precision

Voltage-Boosting System

Voltage-boosting system

Industrial-grade precision

YDJ Oil-Immersed Test Transformer with Steel Tank

YDJ oil-immersed test transformer with steel tank

Industrial-grade precision

YDQ Gas-Insulated Test Transformer

YDQ gas-insulated test transformer

Industrial-grade precision

YWDT-5kVA/50kV Power-Frequency Corona-Free Test Transformer

YWDT-5kVA/50kV power-frequency corona-free test transformer

Industrial-grade precision

YWDT-10kVA/50kV Power-Frequency Corona-Free Test Transformer

YWDT series corona-free test transformers are primarily used to verify the insulation level of electrical equipment, insulating materials and components under power-frequency high voltage. They can be used as equipment for partial-discharge measurement and applied-voltage withstand testing of test objects such as transformers, instrument transformers, high-voltage switches and cables…

Industrial-grade precision

YWDT-12kVA/120kV Power-Frequency Corona-Free Test Transformer

YWDT-12kVA/120kV power-frequency corona-free test transformer

Industrial-grade precision

YWDT-15kVA/150kV Power-Frequency Corona-Free Test Transformer

YWDT series corona-free test transformers are primarily used to verify the insulation level of electrical equipment, insulating materials and components under power-frequency high voltage. They can be used for partial-discharge measurement and applied-voltage withstand tests on test objects such as transformers, instrument transformers, high-voltage switches and cables

Industrial-grade precision

YWDT-20kVA/150kV Power-Frequency Corona-Free Test Transformer

YWDT-20kVA/150kV power-frequency corona-free test transformer

Industrial-grade precision

YWDT-30kVA/250kV Power-Frequency Partial-Discharge-Free Test Transformer

YWDT-30kVA/250kV power-frequency partial-discharge-free test transformer

Industrial-grade precision

YWDT-30kVA/150kV Power-Frequency Corona-Free Test Transformer

YWDT-30kVA/150kV power-frequency corona-free test transformer

Industrial-grade precision

YWDT-50kVA/100kV Power-Frequency Corona-Free Test Transformer

YWDT-50kVA/100kV power-frequency corona-free test transformer

Industrial-grade precision

YWDT-100kVA/100kV Power-Frequency Corona-Free Test Transformer

YWDT-100kVA/100kV power-frequency partial-discharge-free test transformer

Industrial-grade precision

YWDT-125kVA/250kV Power-Frequency Corona-Free Test Transformer

YWDT-125kVA/250kV power-frequency partial-discharge-free test transformer

Industrial-grade precision

Power Supply Isolation Transformer

Power supply isolation transformer

Industrial-grade precision

SGP Frequency Tripler Transformer

SGP frequency tripler transformer

Industrial-grade precision

ZD/ZS Intermediate Transformer

ZD series intermediate transformer

Industrial-grade precision

Motorized Voltage-Regulating Isolation and Filtering Unit

Motorized voltage-regulating isolation and filtering unit

Industrial-grade precision

LB Power Supply Isolation Filter

LB power supply isolation filter

Industrial-grade precision

Three-Phase Frequency-Multiplied Power Supply Isolation Filter

Three-phase frequency-multiplied power supply isolation filter

Industrial-grade precision

FOF Partial-Discharge-Free Coupling Capacitor and Voltage Divider

FOF partial-discharge-free coupling capacitor and voltage divider

Industrial-grade precision

Partial-Discharge-Free Coupling Capacitor Cart

Partial-discharge-free coupling capacitor cart

Industrial-grade precision

OWF Partial-Discharge-Free Coupling Capacitor

OWF partial-discharge-free coupling capacitor

Industrial-grade precision

TEDG Contact-Type Motorized Voltage Regulator

TEDG contact-type motorized voltage regulator

Industrial-grade precision

TEDGZ Column-Type Motorized Voltage Regulator

TEDGZ column-type motorized voltage regulator

Industrial-grade precision

Oil-Immersed Induction Voltage Regulator

Oil-Immersed Induction Voltage Regulator

Industrial-grade precision

Three-Position Switch Test Bench

Three-Position Switch Test Bench

Industrial-grade precision

Lightning Impulse Voltage Generator

Impulse Voltage Generator

Industrial-grade precision

Three-Phase High-Current Temperature-Rise Test Equipment

Three-Phase High-Current Temperature-Rise Test Equipment

Industrial-grade precision

Three-Phase High-Current Test Equipment

Three-Phase High-Current Test Equipment

Industrial-grade precision

MFS-60 Medium-Frequency Generator Set

MFS medium-frequency generator set

Industrial-grade precision

MFS-30 Medium-Frequency Generator Set

MFS-30 Medium-Frequency Generator Set

Industrial-grade precision

BY2571 Digital Ground Resistance Tester

● Measurement range: 0-1.999/2-19.99/20-199.9 AC: 0-19.99V ● Constant current: 10mA (2 range)/10mA (20 range)/1mA (200 range) (10%+1d) ● Measurement accuracy and error: 0-0.2 (3%+1d)/0.2-199.9/(1.5%+1d)/1-20V (3%+1d) ● Resolution:

Industrial-grade precision

CMS-Ⅲ Intelligent Moisture-in-Oil Analyzer

● Dew point: measurement range: -55~+20; measurement accuracy: 2℃; measurement time (+20℃): <3 minutes ● Ambient temperature: -40℃~+60℃ ● Ambient humidity: 0~90%RH ● Power supply: 220VAC, built-in rechargeable battery ● Battery performance: charging time 20 hours

Industrial-grade precision

YXY-09 Intelligent AC/DC Peak Voltmeter

YXY-09 intelligent AC/DC peak voltmeter

Industrial-grade precision

YXY-20 Intelligent AC/DC Peak Voltmeter

The YXY-20 single-phase intelligent AC peak voltmeter is a new intelligent instrument specially designed to meet the requirements of high-voltage testing. It features a high-brightness color touchscreen, a fully Chinese-language menu and operating prompts, enabling friendly human-machine interaction. This instrument can

Industrial-grade precision

YXY-30 Three-Phase Intelligent AC/DC Peak Voltmeter

YXY-30 three-phase intelligent AC/DC peak voltmeter

Industrial-grade precision

YXY-7000 High-Voltage Circuit Breaker Mechanical Characteristics Tester

Power supply: 220V10%, 50Hz10%; atmospheric pressure: 86~106kPa; temperature: -10~40℃; humidity: 80%RH. Safety performance: insulation resistance: 2MQ; dielectric strength: power-to-enclosure withstands 1.5kV power-frequency voltage for 1 minute, with no flashover or arcing. Basic parameters

Industrial-grade precision

YXY-BB2000 Fully Automatic Transformer Turns Ratio Tester

● Turns ratio measurement range: 1~10000 ● Group: 1~12 points ● Accuracy: 1~100000.2 class ● Power supply: 220VAC10%, 50HZ ● Operating ambient temperature: -5℃~40℃ ● Operating ambient humidity: 85%

Industrial-grade precision

YXYDN-5060 Portable Power Quality Analyzer

● Input characteristics: voltage measurement range: 0~200VAC~800VAC; clamp current transformers (four types): 5A/25A jaw diameter; phase-angle measurement range: 0~359.99; frequency measurement range: 45~55Hz. Voltage channels: three (UA, UB, UC); current channels:

Industrial-grade precision

YXY-JB802 Microcomputer-Based Relay Protection Tester

● AC current output: per-phase output (RMS) with 3-phase current output: 0~60A; per-phase output (RMS) with 6-phase current output: 0~30A; 6-phase parallel current output (RMS): 0~180A; long-term permissible operating value for phase current (RMS

Industrial-grade precision

YXY-R3110A/R3120A DC Resistance Tester

● Output current: 10A, 5A, 1A, 100mA, 10mA, 1mA/20A, 10A, 5A, 2A, 1A ● Measurement range: 10A: 500uQ~2Q 5A: 1mQ~4Q 1A: 10mQ~20Q 100mA: 1Q~200Q 10mA: 10Q~2kQ 1mA: 100Q~20kQ/ 20A: 100uQ~1Q 10A: 500uQ~2Q 5A: 1mQ

Industrial-grade precision

YXY-VA402V Fully Automatic Transformer Comprehensive Tester

This instrument uses a 320×240 high-resolution gray backlit LCD that remains clearly visible even in strong sunlight. The test process, settings, operations and results are displayed on the screen through a fully Chinese-language interface. It uses advanced rotary-mouse control for easy, simple operation.

Industrial-grade precision

YXY-ZGF DC High-Voltage Generator

The DC high-voltage generator is a portable DC high-voltage generator researched and manufactured in accordance with Chinese industry standard ZBF 24003-90, General Technical Requirements for Portable DC High-Voltage Generators. It is suitable for power utilities, industrial and mining enterprise power departments, research institutes, railways, and chemical…

Industrial-grade precision

YXY-8203 Online Zinc-Oxide Surge Arrester Tester

YXY-8203 online zinc-oxide surge arrester tester

Industrial-grade precision

YXY-9908 Current Transformer Open-Circuit Voltage Tester

The current transformer open-circuit voltage tester is a dedicated device for detecting the peak open-circuit voltage of current transformers. It uses modular design technology and a highly impact- and interference-resistant design for high reliability. It can also measure power-frequency voltage peaks and continuous pulse voltage

Industrial-grade precision

YXY-HL100A/YXY-HL200A Loop Resistance Tester

YXY-HL100A/YXY-HL200 loop resistance tester

Industrial-grade precision

YXY-R2250 Insulation Resistance Tester

YXY-R2250 insulation resistance tester

Industrial-grade precision

Portable Variable-Frequency Series Resonance Test System

Portable variable-frequency series resonance test system

CORE SOLUTIONS

Test Applications & System Solutions

Drawing on over 30 years of test-equipment R&D, Xinya High Voltage builds reliable, standards-compliant testing platforms for power equipment manufacturers and quality inspection institutes.

Transformer PD & Comprehensive Test Systems
Compliant with GB/T 1094.3 and IEC 60076-3

Transformer PD & Comprehensive Test Systems

Partial discharge, induced voltage, power-frequency withstand and performance testing, with equipment and technical support for factory acceptance, routine field tests and fault diagnosis.

Key Advantages & Technical Features:
  • High-sensitivity PD measurement (<0.5pC)
  • Automatic three-phase induced-voltage control
  • Shielding and signal paths resistant to electromagnetic interference
  • Automatic IEC 60076-compliant test reports
Switchgear & Gas-Insulated Equipment Testing
Compliant with DL/T 555 and IEC 62271-200

Switchgear & Gas-Insulated Equipment Testing

Insulation verification, UHF/ultrasonic partial discharge detection and system commissioning for switchgear, meeting type-test and acceptance-test requirements.

Key Advantages & Technical Features:
  • UHF / AE multi-sensor PD detection
  • Integrated AC power-frequency withstand testing
  • Portable equipment for rapid on-site setup
  • Online and offline insulation assessment
Current & Voltage Transformer Routine and PD Tests
Compliant with GB/T 20840 and the IEC 61869 series

Current & Voltage Transformer Routine and PD Tests

Highly stable systems for routine tests, type tests and partial discharge measurement, ensuring consistency and reliability in high-volume instrument transformer production.

Key Advantages & Technical Features:
  • Efficient multi-channel parallel PD measurement
  • Precision variable-frequency voltage control and excitation tests
  • Coordinated low-noise test-hall design
  • Fast automatic overvoltage and overcurrent protection
HV Cable AC Withstand Tests & PD Location
Compliant with GB/T 12706 and IEC 60840

HV Cable AC Withstand Tests & PD Location

On-site AC withstand and acceptance testing for high- and extra-high-voltage cables, combining high-capacity variable-frequency resonance with easy transport and efficient field connections.

Key Advantages & Technical Features:
  • Variable-frequency series resonance with quality factor Q > 60
  • Accurate oscillating-wave (OWTS) PD location
  • Vehicle-mounted / modular design for demanding sites
  • Lightweight excitation transformers and voltage dividers
Integrated HV Test Halls & Shielding Engineering
Compliant with GB/T 12190 and IEEE 299 shielding standards

Integrated HV Test Halls & Shielding Engineering

Test-hall planning, six-sided metal shielding, high-voltage power supplies and PD instruments for high-voltage testing facilities designed for national CNAS accreditation.

Key Advantages & Technical Features:
  • Shielding effectiveness > 100dB (10kHz–1GHz)
  • Background PD noise below 1pC
  • Dedicated grounding-grid and EMC design
  • End-to-end engineering consulting and CNAS assessment support
30+

Years of HV Testing R&D

Focused on independent R&D and precision manufacturing of power equipment and high-voltage testing technology since our founding.

1000+

Test Halls & Projects Delivered

Serving State Grid, leading transformer manufacturers, cable producers and national quality inspection centers.

<0.1pC

Ultra-Sensitive PD Detection

Proprietary PD sampling algorithms and low-noise shielding technology detect even minute defects in test specimens.

100%

GB & IEC Standards Compliance

All systems undergo rigorous type testing and calibration. We also contribute to multiple high-voltage industry standards.

LATEST NEWS & ARTICLES

News & Technical Insights

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Company news
Jan 23, 2026

Good News | Jiangsu Xinya Successfully Passes the 2025 Provincial Review for Specialized, Refined, Distinctive and Innovative SMEs

Recently, following a rigorous review and public announcement, Jiangsu Xinya successfully passed the 2025 provincial review for specialized, refined, distinctive and innovative SMEs! This recognition is authoritative acknowledgment of our technical strength, professional capabilities and development potential, and marks a new stage in the company's high-quality development focused on specialization, refinement, differentiation and innovation. “Specialized, Refined, Distinctive and Innovative” is a major national initiative to help SMEs strengthen their core competitiveness and pursue specialization,