HUWOR Technical Resource Center
Browse our complete library of partial discharge detection, online monitoring and live-line inspection articles. Guides are grouped by topic to help you find the technical content you need.
PD Sensors (UHF / TEV / HFCT / Ultrasonic)
- Built-in UHF Partial Discharge Sensor for GIS: Factory-Integrated Online PD Monitoring
- Partial Discharge Sensor Selection Guide: TEV, UHF, HFCT, Ultrasonic and Combined Sensors Compared
- Two-in-One TEV and Ultrasonic PD Sensor for Switchgear and RMU Monitoring
- Spatial UHF Partial Discharge Sensor for HV Switchgear Rooms and Ring Main Units
- Ceramic Insulator Sensor for Distribution Lines: PD and Overvoltage on Three Phases
- UHF and Pulse Current PD Sensor: Combining Two Coupling Methods in One Unit
- UHF Partial Discharge Sensors for GIS: Retrofit Installation and Integration Guide
- Handheld Infrared Acoustic Imaging Detector: PD and Gas Leak Location with Visual Evidence
- Handheld PD Detector or Online Monitoring System: Which Do You Need?
- Infrared and Acoustic Imaging Instruments: Locating Electrical Defects in One Pass
- TEV Partial Discharge Testing of Switchgear: A Practical Field Guide
- Partial Discharge Detector FAQ: Answers to the Questions Buyers Ask Most
- Partial Discharge Source Localisation: Techniques for Finding Where the Discharge Actually Is
- Portable Cable Tester for Field Verification: Length, Cross-Section and Material Identification
- Oscillating Wave Testing (OWTS/DAC) for Medium-Voltage Cables: PD Testing Without Cable Removal
- Cable PD Testing Methods Compared: Oscillating Wave, HFCT and Acoustic Techniques
- Cable Joint and Termination Partial Discharge Detection: The Weakest Links in the Network
- Cable Partial Discharge Diagnosis for Southeast Asian Distribution Networks: Oscillating Wave Tests and HFCT Monitoring
- Cable Acceptance Testing for New Installations in Vietnam and Indonesia: Oscillating Wave Practice
- Cable Fault Location vs Partial Discharge Testing: Two Different Jobs on the Same Cable
- SF6 Leak Detection with Negative Ion Capture: Quantitative Leak Testing for Circuit Breakers and GIS
- NDIR SF6 Leak Detection: Dual-Beam Infrared Measurement for Substation Surveys
- SF6 Leak Detector Buying Guide: Infrared, Negative Ion and Halogen Technologies Compared
- SF6 Leak Detection Instruments for GIS and Switchgear in Middle East Substations
- Portable SF6 Leak Detectors in the Field: A Quantitative Testing Workflow for GIS and Breakers
- SF6 Gas Management and the Shift to Alternative Insulation: What GIS Owners Should Track
- RSO Testing of Generator Rotors: Detecting Inter-Turn Short Circuits Before They Escalate
- Transformer Insulation Diagnostics: Combining DGA, Partial Discharge and Temperature Monitoring
- Transformer Partial Discharge Field Testing: Combining HFCT and Ultrasonic Methods on Energised Units
- DGA vs Partial Discharge Testing for Transformers: When to Use Each – and Why Together
- Stator Partial Discharge Testing for Generators and Motors: Methods and Interpretation
- Multi-Channel PD Diagnosis System: Synchronous Acquisition and Fault Location for Substation Fleets
- Partial Discharge Online Monitoring System Cost and ROI: What to Budget For
- Substation Online Monitoring Architecture: From Sensors to the Control Room
- Predictive Maintenance with Partial Discharge Data: From Alarms to Asset Decisions
- Why Southeast Asian Utilities Are Deploying Online Partial Discharge Monitoring as Grids Expand
- How Tropical Heat and Humidity Accelerate Partial Discharge in Switchgear – and What to Monitor
- Partial Discharge Monitoring for Middle East Utilities: Standards, Desert Conditions and Sensor Selection
- High-Voltage Live Display PD Terminal: Combining Busbar Indication and PD Monitoring
- Ring Main Unit Partial Discharge Monitoring for Distribution Networks
- Monitoring GIS in Desert Environments: Sand, Heat and Partial Discharge Detection
- Partial Discharge Detection on Overhead Distribution Lines: Insulator Sensors and Live Inspection Methods
- Surge Arrester Leakage Current Monitoring: MOA Condition Tracking with Lightning Strike Counting
- Lightning Arrester Leakage Current Monitor: Online Tracking of MOA Resistive Current
- High Voltage Capacitor Bank Monitoring: Real-Time Voltage and Current Supervision
- Testing Surge Arresters in the Field: Portable Leakage Current Instruments for Southeast Asian Networks
- High-Voltage Capacitor Bank Monitoring: Voltage, Current and Health Tracking for Shunt Capacitor Banks
- Underground Cable Gas Monitoring: Detecting H2, C2H2, CH4 and CO in Cable Tunnels and Ducts
- IoT Gateway for Substation Monitoring: LoRa, RS485, Ethernet and Edge Computing
- Partial Discharge Monitoring for Wind Turbine Generators: Challenges and Practical Solutions
- Power Equipment Testing for Data Centres in Southeast Asia: Switchgear, Transformers and UPS Systems
- Inspection Instruments for Solar Power Plants in Southeast Asia: From Switchgear to Inverters
- Inspection Instruments for Battery Energy Storage Systems: Switchgear, Transformers and Cables in BESS Plants
- Power Quality Equipment Inspection for EV Charging Infrastructure: From Feeder Switchgear to Charger Connections
- Partial Discharge Testing in Railway Traction Substations: Methods for Reliable Traction Power
- OEM/ODM Partial Discharge Sensor Supplier: A Qualification Checklist for Buyers
- Partial Discharge Detector Manufacturers in China: What Global Buyers Should Evaluate
- Power Testing Equipment Procurement in Southeast Asia: A Buyer’s Guide for Utilities and Contractors
- Partial Discharge Detector Supplier Selection: An 8-Point Checklist for Maintenance Teams
- How to Become a Distributor of PD Detection Instruments: A Guide for Electrical Testing Distributors
- Chinese vs European Partial Discharge Detectors: What Buyers Should Actually Compare
- Insulation Resistance vs Partial Discharge Testing: What Each Measurement Tells You
- Withstand Voltage Testing vs Partial Discharge Testing: What Each Proves About Insulation
- PD Testing Training for Utilities: Building In-House Capability That Lasts
- Partial Discharge Detector Calibration: Why It Matters and What a Calibration Programme Includes
- AI and Machine Learning in Partial Discharge Analysis: What the Technology Actually Changes
- Substation Inspection Equipment for Saudi Arabia and the Gulf: A Configuration Guide for Extreme Conditions
- Grid Modernisation and PD Testing in the Philippines: Opportunities for Utilities and Contractors
- Thailand’s Grid Expansion and the Case for Instrument-Based Substation Inspection
- Substation Inspection for Malaysia’s Data Centre and Grid Build-Out: A Practical Instrument Guide
- Power Equipment Inspection for Indonesia’s Grid and Industrial Growth: Switchgear, Cables and Generators
- Live-Line Inspection Instruments for Latin American Utilities: Building Reliability Programmes from Mexico to Brazil
- Handheld Partial Discharge Survey: A Practical Energized Inspection Plan for Substations
- Building a Live-Line Detection Instrument Set for Substation Inspection
- Substation Commissioning Tests: A Live-Line Detection Checklist for New and Refurbished Bays
- Building a Predictive Maintenance Programme for Electrical Assets: A Step-by-Step Guide