Portable Grid Fault Waveform Recorder

1.1. Application Scope

EDLB-601APortable waveform recorder utilizes advancedDSP Please provide the Chinese content to be translated. 32 Positioned in嵌入式 CPUIntegrating with a high-performance embedded real-time operating system VxWorks An embedded power fault recording and analysis device, designed to cater to the development needs of the power system. It can be widely applied to various voltage levels of transmission lines and generators.-Transformer units and transformers requiring fault wave recording and condition monitoring and analysis.

1.2. Technical Features

1) Signal collection and start-up calculations utilize a single DSP Framework, by 1 Piece DSP Achieve 32 Road simulation quantity.32Integration of road switch quantity; simultaneously adopting a new circuit structure; 75000 Our new line of large-scale programmable logic devices boasts high integration, strong anti-interference capabilities, and stable system operation.

2) 32 High-Speed Floating Point Digital Signal Processor(DSP)，16 Please provide the Chinese content to be translated. A/DSampling Rate 10kHz Adjustable, Harmonic Resolution≤99 Next, switch event resolution 0.1ms；

3) Implementing a high-performance real-time embedded operating system VxWorksThe system is stable, reliable, and offers excellent real-time performance.

4) Waveform Data Storage: Waveform data is stored separately 32 No Chinese content provided, please provide the text to be translated. CPU Enhanced data security on the management platform.

5) Data recording is implemented. A-B-C Duan FengshiA、B、C Section fully utilizes sample value recording, discarding the traditional D、E Low sampling rates and effective value recording segments allow for all data to be subjected to phasor diagram analysis and impedance analysis, significantly enhancing data usability.

6) Supports continuous recording for extended periods; the device can maintain 1KHz Continuous sampling values are being recorded, with the recorded data... 7 Sky-based cycle refresh, the data retention time is solely limited by the number of channels and the storage capacity, and abandons the traditionalPlease provide the Chinese content for translation.Zhou BoNo content provided for translation.Effective value slow scan records for a point.

7) Variable-length dynamic wave recording and fault location, with better distance measurement accuracy for metallic short circuits. 2%；

8) The criterion for initiating the recording is comprehensive, enabling sensitive start-up recording under various short-circuit, grounding faults, and other abnormal conditions.

9) Robust computational and analytical capabilities (amplitude, peak, RMS value, and frequency calculations of voltage and current; active and reactive power calculations; power angle and phase angle measurements; phasor, sequence, and harmonic analysis).

10) The formula editor can generate waveform graphs for various battery capacities and their export amounts, allowing for dynamic observation of their trajectory over time and realistically reenacting the entire fault process.

11) Supports multiple time-setting methods, including contact pulse timing.IRIG-B Our system supports synchronization for codes and networks, and is capable of combining synchronization methods and performing bidirectional synchronization.

12) Can operate independently without the need for a management console.

13) Automated waveform data format conversion, capable of exporting COMTRADE 1999 Version or COMTRADE 1991Version;

14) Advanced Anti-Interference Design: Utilizing 8 Layer PCB、SMD Assembly and software fault-tolerance technology, with interference resistance GB/T14598 The specified severity level isIV-grade standard.

1.3. Equipment adheres to standards

EDLB-601APortable waveform recorder, meets the following main standards:

vDL/T873-2004"Technical Conditions for Dynamic Recording Device of Microtype Generator Transformer Sets"

vDL/T478-2001"General Technical Conditions for Static Relay Protection and Safety Automatic Equipment"

vDL/T663-1999：《220～500KV "Requirements for Inspection and Testing of Dynamic Recording Devices for Power System Faults"

vDL/T553-94：《220～500KV Technical Guidelines for Dynamic Record of Electric Power System Faults

vIEC 60255-24:2001："Electrical Relay" 24 Partial: Transient Data Exchange for Power SystemsCOMTRADETranslation: "of the General Format"