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Qld-9104 Partial Discharge Analyzer

Qld-9104 Partial Discharge Analyzer

The 9104 Partial Discharge Comprehensive Analyzer is a 4-channel, reliable benchtop system designed for measuring, locating, and monitoring partial discharge in high-voltage electrical equipment. It features advanced technologies for signal processing, data analysis, and fault diagnosis, with optional capabilities for fault location and online monitoring. Compliant with international and national standards, it ensures accurate insulation performance analysis for power equipment.

Category:

Referenced Standards

  • IEC 60270-2000 High Voltage Testing Techniques – Partial Discharge Measurement
  • GB 1094.1-1996 Power Transformers – Part 1: General
  • GB 1094.3-2003 Power Transformers – Part 3: Insulation Levels, Insulation Tests and External Insulation Air Gap
  • IEC 6067.11 Dry-Type Transformers
  • IEC 60885-3-1988 Electrical Test Methods for Cables – Part 3: Test Methods for Measuring Partial Discharge in Extruded Power Cable Sections
  • GB 1207-2006 Electromagnetic Voltage Transformers
  • GB/T 12706.4-2008 Extruded Insulated Power Cables and Accessories – Part 4: Test Requirements for Accessories of Rated Voltage Power Cables
  • GB/T 3048.12-2007 Electrical Performance Test Methods for Wires and Cables – Part 12: Partial Discharge Tests
  • GB/T 16927.1-2011 High Voltage Testing Techniques Part 1: General Definitions and Test Requirements
  • GB/T 16927.2-1997 High Voltage Testing Techniques Part 2: Measurement Systems
  • GB/T 16927.3-2010 High Voltage Testing Techniques Part 3: Definitions and Requirements for Field Tests
  • GB/T 16927.4-2014 High Voltage and High Current Testing Techniques Part 4: Definitions and Requirements for Test Currents and Measurement Systems
  • GB/T 7354-2003 Partial Discharge Measurement
  • GB 1208-2006 Current Transformers
  • DL/T 417-2006 Guidelines for Field Measurement of Partial Discharge in Power Equipment

Technical parameters

  1. Performance & Measurement:

  • 4 independent channels with 12-bit sampling accuracy.
  • Sampling rates: 1M, 5M, 10M selectable.
  • Measurement range: 0.1pC to 100,000pC; sensitivity: 0.1pC.
  • Bandwidth: 10kHz to 1MHz with digital filtering and programmable filter segments.

  1. Display & Interfaces:

  • 12” TFT True Color Touchscreen LCD (1024×768 resolution).
  • Interfaces: USB (3 ports), Ethernet (1 port), 4 BNC connectors, 4 optical signal ports, and external grounding.

  1. Power & System:

  • Power: AC 220V, 50Hz, 300W.
  • System: Windows XP, 1.60GHz CPU, 2GB memory, 128GB SSD.

  1. Physical & Environmental:

  • Dimensions: 474mm × 288mm × 370mm; weight: 15.8kg.
  • Operating conditions: -10 to 45℃, ≤95% relative humidity.

Instrument Introduction

Front panel

1.1 50

Serial Number Component Function
1 Touch Screen Displays waveforms and various test data
2 Power Switch Main power switch for the instrument
3 4-Channel Signal Input Indicator Indicates signal input for different sensor types in partial discharge
4 Internal/External Synchronization Indicator Indicates internal and external synchronization
5 USB Interface Allows connection of external USB devices

Rear panel

1.1 51

Serial Number Name Description
1 Power Supply Instrument operating power supply
2 Fuse Synchronous power input fuse (0.1A)
3 Standard Pulse Output standard square wave voltage
4 Fan Internal heat dissipation of the instrument
5 1-4 Channel Optical Signal Input Partial discharge optical signal input
6 1-4 Channel Electrical Signal Input Partial discharge signal input
7 1-4 Channel Straight-through Signal Input Partial discharge straight-through signal input
8 Grounding Terminal Instrument grounding
9 RS232 Interface Connect RS232 serial port devices
10 VGA Interface Monitor interface, used for connecting an external monitor
11 USB Interface Connect external USB devices
12 RJ45 Interface Network interface

 

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