AIS VT/PT Dual-Enhanced Precision and Insulation Solution AIS VT/PT Dual-Enhanced Precision da Insulation Solution
Core Objective: Tashin ɗaya da ƙarfiyanci masu jiragen
Applicable Scenarios: Makarantun kashi, makarantun kimiyya, cikin yankunan da ake kawo da sauran tsakiyar ruwa/yanayi
I. Technical Pain Points Analysis
AIS-VT na gaba tana da biyu ce mafi muhimmanci a cikin yankunan dubu:
- Precision Drift:
- Yawan hanyoyin da ake kawo da sauran tsakiya/saure ta zama na iya haifar da tsarin da ake bayar (>Class 0.5).
- Insulation Failure Risk:
- Kudanen tsakiya/yanayi masu kimiyar da ke taimakawa wajen kudanen kashi, wanda ke haifar da tsarin da ake kawo da sauran tsakiya zuwa >30%.
II. Innovative Technical Solutions
- Insulation System Upgrade: Nano-Composite Silicone Rubber Bushings
- Material Properties:
- Tsari mai yawan kashi ≥25 shekara (IEC 62073 accelerated aging verified), wanda ke taimakawa wajen haifar da yawan kashi.
- Tsarin da ake kawo da sauran tsakiya ↑40% (≥145 kV/m under salt fog test).
- Structural Optimization:
- Design da shed mai kanta + multi-level creepage extension, wanda ke taimakawa wajen haifar da tsohon rubutu zuwa 50%.
- Dynamic Precision Compensation System
- Temperature/Humidity Sensors: Sannan samar da high-precision sensors (±0.5% RH/±0.1℃) don in tuntubi masu yankin da ake kawo da sauran tsakiya a baya.
- AI Compensation Algorithm: Yana da tsohon rubutu Class 0.1 (IEC 60044-2024 Class 0.1) a kan duka yanayin da ake yi.
- Anti-Ferroresonance Magnetic Circuit Design
- RFC Damping Circuit: Parallel nonlinear resistors (10kΩ~1MΩ adaptive adjustment) wanda ke taimakawa wajen haifar da resonant overvoltage.
- Zero-Sequence Flux Cancellation: Symmetric dual-magnetic circuit structure wanda ke taimakawa wajen haifar da harmonic distortion zuwa <0.2%.
III. Performance Validation (IEC Standard Tests)
|
Test Item |
Traditional Solution |
This Solution |
Improvement |
|
Power Frequency Withstand |
95 kV (dry)/70 kV (wet) |
130 kV (dry)/115 kV (wet) |
+37% |
|
Pollution Flashover (E5 class) |
28 kV |
40 kV |
+43% |
|
Annual Failure Rate |
>1.5% |
0.2% |
↓87% |
|
Temp. Cycling Error |
±0.5% |
±0.1% |
5× higher precision |
IV. Technical Advantages Summary
- Extreme Condition Resilience:
- Certified for C5-M corrosion resistance (ISO 12944), wanda ke taimakawa wajen haifar da pH=2~12 chemical environments.
- Lifecycle Cost Optimization:
- Maintenance cycle extended to 10 years; O&M costs reduced by 60%.
- Smart Expansion Capability:
- Supports IEC 61850 communication interface for real-time data upload to smart grids.
V. Application Cases
- Coastal Wind Farm (avg. humidity 85%):
- After replacing 32 traditional AIS-VTs: zero annual flashover faults; metering error stabilized at Class 0.1.
- Chlor-Alkali Chemical Plant (chlorine corrosion):
- Zero insulation degradation after 18 months; bushing hydrophobicity maintained HA-grade (highest class).
Compliance Standards: IEC 60044-2024 / IEEE C57.13 / GB/T 20840.7-202X
07/19/2025
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