Portable Power Fault Recording Device

1.1. Scope of Application

EDLB-601APortable waveform recorder utilizes advancedDSP Please provide the Chinese content to be translated. 32 Positioned in embedded CPUIntegrating with a high-performance embedded real-time operating system VxWorks An embedded power fault recording and analysis device designed to meet the development needs of the power system. It can be widely used in various voltage levels of transmission lines and generators.-Transformer sets and transformers require fault wave recording and status logging for analysis.

1.2. Technical Features

1) Signal acquisition and startup calculations utilize a single DSP Framework, by 1 No Chinese content provided. DSP Achieve 32 Road simulation quantity.32The integration of road switch quantities; simultaneously employing a new circuit structure; 75000 Our large-scale programmable logic devices feature 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) High-performance real-time embedded operating system adopted VxWorksThe system is stable, reliable, and offers excellent real-time performance.

4) Waveform Data Storage: Waveform data is stored separately 32 Position CPU Enhanced data security on the management console.

5) Data recording is implemented. A-B-C Duan FangshiA、B、C The section fully utilizes sampled values for recording, discarding the traditional method. 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 long-duration continuous recording; the device can record 1KHz Continuous sampling values are recorded, data logging 7 The system refreshes on a daily cycle, with data retention limited only by the number of channels and storage capacity, discarding traditional methods.No Chinese content provided.Zhou BoNo Chinese content provided.Effective value slow scan recording of a point.

7) Unconventional dynamic wave recording and fault location, with the accuracy of distance measurement for metallic short circuits exceeding 2%；

8) The criteria for initiating the recording are comprehensive, ensuring sensitive start-up recording under various types of short-circuit, grounding faults, and other abnormal conditions.

9) Robust computational and analytical capabilities (amplitude, peak, RMS value, and frequency calculations for 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 power and export quantities, allowing for dynamic observation of their trajectory over time and realistically depicting the entire process of a fault.

11) Supports multiple time-setting methods, including contact pulse timing.IRIG-B Our systems support synchronization of codes and networks, and offer combined synchronization methods as well as bidirectional synchronization.

12) Can operate independently of the management console.

13) Waveform Data Format Auto-Conversion, Available for Export COMTRADE 1999 Version or COMTRADE 1991Version;

14) Advanced Antijam Design: Employed 8 Layer PCB、SMD Assembly and software fault-tolerance technology, interference resistance capability reaches GB/T14598 The specified severity level isLevel IV standard.

1.3. Equipment adheres to standards

EDLB-601APortable waveform recorder, compliant with 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 "Dynamic Record Standard for Power System Faults"

vIEC 60255-24:2001: "Electrical Relay" 24 Partial: Power System Transient Data ExchangeCOMTRADE"The General Format of [Company Name]"