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US4914382A
(en)
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High voltage measuring circuit coupled to the capacitive grounding tap bushing of an HV device
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FR2583590A1
(fr)
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Dispositif de protection d'une ligne electrique d'energie contre les surtensions transitoires elevees
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FR2723486A1
(fr)
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Detecteur de tension unipolaire, notamment pour ligne electrique aerienne
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US4678927A
(en)
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Circuit arrangement for large power transformers
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US4314303A
(en)
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Overvoltage protection device
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US6483279B1
(en)
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Device for attenuating parasitic voltages
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JPS62263623A
(ja)
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コンデンサ形計器用変圧器
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EP0666578B1
(de)
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Ringkernstromwandler zum Einbau in eine metallgekapselte Hochspannungsschaltanlage
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BE544676A
(ref)
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US2236292A
(en)
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Permeability-tuned wave trap and core construction therefor
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JP7127730B2
(ja)
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電圧変成器
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US6366251B1
(en)
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Antenna protection device
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US20030102947A1
(en)
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Multipurpose input device
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US2957151A
(en)
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Current transformer
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US1406002A
(en)
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Protective means for electrical apparatus having windings
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JPH0684671A
(ja)
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変流器内蔵形変圧器
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US877656A
(en)
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Spark-coil.
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US1019512A
(en)
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High-voltage transformer.
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GB2030785A
(en)
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Transformer having a thermally sensitive protective device
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KR910008519Y1
(ko)
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서지(surge)보호 기능을 갖는 잡음 제거 필터(Nase Filter)
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GB1568811A
(en)
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Electric field meters
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BE453286A
(ref)
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KR100333109B1
(ko)
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부하개폐장치의 전압검출회로
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JPS6342503Y2
(ref)
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JP3121904B2
(ja)
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避雷器を備えたコンデンサ形計器用変圧器
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