
Malengo Kuu: Uzalishaji wa Usahihi na Ukosefu wa Mzunguko
Mazingira ya Kutumika: Viwanda vya umeme vya pwani, viwanda vya kimikali, mazingira magumu yenye madhara nyingi au umeme
I. Tathmini ya Matatizo ya Teknolojia
Mfumo wa AIS-VT una matatizo mawili muhimu katika mazingira magumu:
- Uzalishaji wa Usahihi:
- Mabadiliko ya constant dielectric kutokana na mabadiliko ya umeme na kuongezeka kwa madhara, kusababisha makosa ya output secondary zinazofuata saraka (>Class 0.5).
- Hatari ya Kuanguka kwa Mzunguko:
- Kutoka kwamba kwa usafi wa mchanga/kuharibika kimikali, kuchelewesha voltage ya kuharibika zaidi ya >30%.
II. Suluhisho Mpya za Teknolojia
- Uzalishaji wa Mzunguko: Bushings za Nano-Composite Silicone Rubber
- Vigezo vya Mteremko:
- Muda wa hydrophobicity ≥25 miaka (IEC 62073 accelerated aging verified), kuzuia penetration ya moisture.
- Withstand voltage ya pollution flashover ↑40% (≥145 kV/m under salt fog test).
- Uzalishaji wa Muktadha:
- Mkakati wa shed + extension creepage ya multi-level, kuboresha ufanisi wa self-cleaning kwa 50%.
- Mfumo wa Dynamic Precision Compensation
- Sensors ya Temperature/Humidity: Sensors ya upimo wa juu (±0.5% RH/±0.1℃) kwa ufanisi wa real-time monitoring ya mazingira.
- AI Compensation Algorithm: Huendeleza upimaji wa kiwango cha 0.1-class (IEC 60044-2024 Class 0.1) kwenye mazingira yote.
- Uzalishaji wa Magnetic Circuit Anti-Ferroresonance
- RFC Damping Circuit: Resistors zisizohesabi (10kΩ~1MΩ adaptive adjustment) kusababisha overvoltage ya resonant.
- Zero-Sequence Flux Cancellation: Muktadha wa dual-magnetic circuit symmetric huondoka distortion ya harmonic chini ya <0.2%.
III. Thibitishaji la Ufanisi (Tests za IEC Standard)
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Kipengele cha Test
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Suluhisho la Traditionally
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Suluhisho hili
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Imara
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Power Frequency Withstand
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95 kV (dry)/70 kV (wet)
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130 kV (dry)/115 kV (wet)
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+37%
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Pollution Flashover (E5 class)
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28 kV
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40 kV
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+43%
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Tauxi ya Annual Failure
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>1.5%
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0.2%
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↓87%
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Temp. Cycling Error
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±0.5%
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±0.1%
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5× higher precision
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IV. Muhtasari wa Faida za Teknolojia
- Uwezo wa Kuwa na Mazingira Magumu:
- Certified for C5-M corrosion resistance (ISO 12944), withstands pH=2~12 chemical environments.
- Uzalishaji wa Gharama za Mzunguko:
- Muda wa udhibiti unaweza kuongezeka hadi miaka 10; gharama za O&M zimepungua kwa 60%.
- Uwezo wa Kuongeza Smart:
- Ina support interface ya communication ya IEC 61850 kwa upload ya data ya real-time kwenye mitandao smart.
V. Misemo ya Kutumika
- Coastal Wind Farm (avg. humidity 85%):
- Baada ya kurudia 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