Solusyon sa Smart IoT-Enabled Air-Insulated Switchgear Voltage Transformer (AIS-VT)
I. Paghimo nga mga Hamubo sa Kasamtangan nga Pag-upgrade sa Grid Intelligence
Ang tradisyonal nga Voltage Transformers (VTs), isip kritikal nga mga panangalamin sa grid, naghahadlok og dako nga mga hamubo sa digital transformation:
- Kamangkamatayon sa Dynamic Monitoring: Limitado lang sa basic nga pag-ukur sa voltage; walay kapabilidad sa pagkuha sa millisecond-level nga transient events (e.g., voltage sags, harmonic distortions).
- Untapped Data Value: Ang raw analog signals nanginahanglan og multi-stage transmission ug conversion, nagdudulot og mataas nga latency ug accuracy loss, naghadlok sa proactive nga distribution network decisions.
- Inkompatibilidad sa Protocol: Ang mga legacy devices wala makapag-output og direct nga digital signals, naghadlok sa data integration sa smart substations.
Nagkinahanglan og urgent nga pag-uli sa voltage monitoring pinaagi sa embedded intelligence ug IoT convergence.
II. Innovative Solution Architecture: Edge Intelligence & Protocol Convergence
Kini nga solusyon deeply integrates tulo ka core technologies sa standard AIS-VT:
- Embedded Edge Computing Unit
|
Function |
Technical Specification |
Value Realization |
|
Real-time harmonic analysis |
THD measurement accuracy <0.5% (≤50th order) |
Pinpoints power quality pollution sources |
|
Voltage sag/swell capture |
Event response time ≤2ms |
Complies with IEC 61000-4-30 Class A |
|
Local data preprocessing |
Supports 12 types of PQ event tagging |
Reduces SCADA data load |
- Native IEC 61850 Protocol Support
• Direct Sampling/Streaming Architecture: Outputs SV digital streams via 9-2LE protocol at 4kHz sampling rate.
• Plug-and-Play Integration: Seamlessly connects with protection relays (e.g., ABB REF615), PMUs, and other smart devices.
• Network Redundancy Design: Supports GOOSE messaging with <3ms latency for critical signals. - SCADA IoT-Linkage Engine
III. Key Application Scenarios
- Smart Substation Digital Twin Foundation
• Deployed at 330kV+ hub substations to construct millisecond-level grid dynamic profiles.
• Case Study: A UHV substation achieved 300% faster short-circuit fault localization. - Microgrid Interconnection-Point Core Monitoring Node
• Tracks real-time fluctuations of distributed generation (e.g., photovoltaic power transients).
• Enables seamless transition between grid-connected/islanded modes. - Urban Active Distribution Network Fast Reconfiguration
• Automates feeder topology reconfiguration based on voltage event analysis.
• Test Results: Reconfiguration time compressed from minutes to <800ms.
IV. Revolutionary Technical Advantages
|
Dimension |
Traditional VT |
This Solution |
Improvement |
|
Sampling Rate |
≤1280 Hz |
4000 Hz |
↑60% transient accuracy |
|
Data Transmission |
Analog/Modbus |
IEC 61850 SV |
↓82% channel latency |
|
Analytical Capability |
Centralized backend processing |
Edge real-time computing |
↑200% decision efficiency |
|
Fault Response |
Passive recording |
Active trigger recording |
100% event capture rate |
V. Value Proposition
Kini nga solusyon reconstructs ang sistema pinaagi sa "Sensing-Computing-Protocol" trinity:
- Device Layer: Embedded AI chips transform voltage measurement from signal transmission to event analysis.
- Network Layer: 9-2LE protocol enables digital circulation between devices.
- System Layer: Deep integration with SCADA generates actionable insights (e.g., voltage vulnerability maps).
Delivers 67% reduction in power quality incidents and second-level fault recovery for distribution networks.
