About Us

Zhuhai Huawang Technology Co., Ltd. (HUWOR), established in 2010, is a national-level high-tech enterprise specializing in power equipment condition assessment, partial discharge (PD) detection and online monitoring. We integrate research and development, manufacturing, sales and technical services to provide power utilities and industrial customers with partial discharge monitoring systems, PD sensors, detection instruments and intelligent power grid monitoring solutions.

With a focus on power equipment condition sensing, data acquisition, online monitoring and intelligent analysis, Huawang develops products and solutions for transformers, gas-insulated switchgear (GIS), switchgear, power cables and surge arresters. Our core product range includes partial discharge online monitoring systems, partial discharge sensors and multifunctional PD detectors.

We provide solutions for different equipment types and application requirements, including continuous online monitoring, energized PD detection, partial discharge localization and equipment condition assessment.

Main Products and Solutions

1. Partial Discharge Online Monitoring Systems

Huawang provides online partial discharge monitoring solutions for substations and power equipment, covering:

• GIS partial discharge online monitoring
• Transformer partial discharge online monitoring
• Switchgear and RMU partial discharge monitoring
• Power cable partial discharge monitoring

Solutions can be configured with suitable PD sensors, data acquisition units, communication devices and monitoring software. These systems support continuous acquisition and analysis of PD signals, helping identify abnormal conditions and provide early warning of potential insulation defects.

2. Partial Discharge Detection Instruments

Our detection instruments include:

• Multifunctional partial discharge detectors
• Multi-channel partial discharge diagnostic systems
• Ultrasonic inspection instruments
• Oscillating wave cable testing and PD detection systems
• Generator rotor inter-turn short-circuit detection instruments

These products are designed for field inspection, partial discharge detection, fault diagnosis and power equipment condition assessment.

3. PD Sensors and Smart IoT Sensors

Huawang develops and supplies sensors for different power equipment monitoring requirements, including:

• Partial discharge sensors
• UHF (Ultra High Frequency) sensors
• HFCT (High Frequency Current Transformer) sensors
• TEV (Transient Earth Voltage) sensors
• Ultrasonic sensors
• Temperature sensors
• Gas sensors
• Water leakage sensors
• Surge arrester leakage current sensors
• SF6 moisture and density sensors

Depending on the monitored equipment, installation method, communication requirements and monitoring functions, we can provide suitable sensor configurations and intelligent IoT monitoring solutions.

R&D and Intellectual Property

Huawang has R&D centers in Zhuhai and Xi’an, China, with a professional technical team working on power IoT, sensing technology, partial discharge detection and intelligent analysis.

The company has obtained 50 product and technology patents and 63 software copyrights. Huawang has also been recognized as a key intellectual property protection enterprise in Zhuhai and participates in the development of national and industry standards.

Applications and Industries Served

Our products and solutions have been applied in projects involving State Grid, China Southern Power Grid, and industrial sectors such as steel, mining, petrochemical and metallurgy.

With service coverage across more than 30 provinces and regions in China, Huawang provides monitoring products and technical solutions for substations, distribution rooms, GIS, switchgear, transformers and power cables.

Our solutions can cover the complete monitoring chain, from PD sensors and field detection instruments to data acquisition, communication and online monitoring platforms.

Quality Management and Technical Services

Huawang has obtained ISO 9001 Quality Management System, ISO 14001 Environmental Management System and ISO 45001 Occupational Health and Safety Management System certifications.

We have established product quality management and after-sales service systems to support customers throughout product selection, technical configuration, deployment and service.

By continuously developing IoT, sensing and intelligent analysis technologies, Huawang aims to provide reliable detection instruments, online monitoring systems and technical services that help power equipment achieve more timely condition sensing, fault diagnosis and risk warning.

Looking for a Partial Discharge Monitoring Manufacturer?

If you are looking for a partial discharge online monitoring manufacturer, PD sensor manufacturer or power equipment condition monitoring supplier, Zhuhai Huawang Technology can provide suitable products and technical solutions for transformers, GIS, switchgear, power cables and other electrical equipment.

We also support OEM, ODM and private-label customization for selected products, subject to technical requirements and project evaluation.

Contact Huawang to discuss your partial discharge monitoring and power equipment condition assessment requirements.