Soluciyan Iyakwadansu Masu Noma na Makarantun Gida (VT) a Tsarin Iyakwadansu Na Zamani
Scheme ta Interface Digitals na Smart Substation
Fokus Tekniki: Integriti daɗi da IEC 61850 protocol
Wani amsa ce tana iya kula IEC 61850 standard don bincike wani system transformer digitals mai karfi, wanda yake iya haɗa masu ƙarfin ita, ingancin bayanai da shirya, da kuma amfani game da system.
Inoboshe Masu Ma'ana
- Teknologi Sensing Composite
- Rogowski Coil + Capacitive Voltage Divider Composite Sensing: Tana taka muhimmanci da Rogowski coil da frequency response (da zai iya amfani da shi a harmonics transient) da kuma dukkan da ke faruwa a cikin voltage division capacitive, tana iya ƙara measurement da abubuwa daban-daban (0.5Hz ~ 3kHz), tana iya kawo off risks ferroresonance da ke cikin transformers iron-core na gaba.
- Merging Unit (MU) Mai Faruwa
- Tana taimakawa IEC 61850-9-2LE Sampled Value (SV) transmission protocol.
- Sampling rate: 4000Hz, tana iya tabbatar da requirements na analysis transient process.
- GOOSE tripping delay <3ms, tana iya tabbatar da fast response na protection systems.
- Real-time clock synchronization accuracy ±1μs (based on IRIG-B/PTP), tana iya tabbatar da timestamp consistency na data na system-wide.
- System Self-Diagnosis Mai Inganci
- Ferroresonance Online Early Warning: Tana taimakawa resonance frequencies (30-300Hz) a real-time da kuma tana iya triggers damping strategies.
- Winding Temperature Rise Warning: Tana taimakawa temperature sensors don dynamic analysis na temperature rise curves da kuma predict insulation aging risks.
- Fault Location: Tana iya achieve bay-level precision, tana taimakawa remote operation da maintenance decisions.
- Industrial-Grade Electromagnetic Compatibility (EMC)
- EMC Immunity Level: Class IV (Complies with GB/T 17626):
- Radio Frequency Electromagnetic Field Immunity: 10V/m (80MHz~1GHz)
- Surge/EFT Immunity: ±6kV/±4kV, tana taimakawa complex electromagnetic environments.
Support Protocol & Core Specifications
|
Category |
Parameter |
Performance Indicator |
|
Communication Protocol |
IEC 61850-9-2LE |
Supported |
|
Sampled Value (SV) |
Sampling Rate |
4000Hz |
|
GOOSE Performance |
Trip Command Delay |
<3ms |
|
Time Synchronization |
Real-time Clock Accuracy |
±1μs (IRIG-B/PTP) |
|
Measurement Accuracy |
Phase Angle Error |
<±0.2° |
|
EMC Level |
RF Immunity |
Class IV (10V/m, 80MHz-1GHz) |
Value Tekniki
- Architecture Digitals Da Dukun:
Tana iya kawo off analog signal cables da direct digital outputs (SV) daga MU, tana iya kawo off costs da operation & maintenance complexity. - Enhanced Safety & Reliability:
Self-diagnosis functions tana detect 90% of potential faults in advance. Class IV EMC immunity tana taimakawa strong electromagnetic interference within substations. - System Compatibility:
Deeply integrates the IEC 61850 protocol stack for seamless connection to various smart substation monitoring/protection systems (e.g., Siemens, ABB, NARI Group).
07/07/2025
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