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Wide-Frequency Measurement Substation System
Wide-Frequency Measurement Substation System
Applications
Applicable to new energy power plants, collector stations, new energy grid-connected substations of various voltage levels, and DC transmission hubs, enabling high-precision measurement of synchrophasors, harmonics, interharmonics, and oscillations.
System Composition
The wide-frequency measurement substation system consists of a wideband measurement device, data concentrator, and workstation.
The wideband measurement device is responsible for synchrophasor, harmonic, and oscillation detection, as well as functions such as event alarm, high-capacity waveform recording, and transient/steady-state measurement data recording.
The data concentrator includes communication and data aggregation functions, transmitting real-time data, alarm diagnostic results, and recorded files.
The workstation is responsible for the dynamic display of measurement and alarm data, as well as the spectrum analysis of recorded waveform data.
Functional Features
Secure and Controllable
Fully localized design across the entire supply chain, with core technologies independently controllable, passing rigorous supply chain traceability certification.
High-Speed Sampling
Based on 12.8KHz high-speed sampling, synchronously capturing fundamental, harmonic, and interharmonic signals, supporting in-depth spectrum analysis.
High-Precision Measurement
Achieves high-precision detection of harmonics and interharmonics within 2500Hz, with real-time capture of low-frequency, sub/super-synchronous, and medium-high frequency oscillation data.
Large-Capacity Data Storage
Supports 14-day dynamic recording of measurement data, high-sampling-rate transient waveform recording, and 72-hour continuous recording, with cyclic data storage to prevent loss.
Cases
Tianjin Huadian Binhai Hangu 48MW PV power station wideband harmonic dynamic monitoring system
