Page 6 - 广东四会互感器厂有限公司

㓪ࠊ䇈ᯢ ѻક䗝⫼᠟ݠ

3.7 ⍋ᢨ催ᑺ 1000m ঞҹϟѻકⱘ乱ᅮ㒱㓬∈ᑇ 3.7 The rated insulation level for products applied on
altitude up to 1000m

乱ᅮ⬉य़ ᳔催Ꮉ԰⬉य़ 乱ᅮ㒱㓬∈ᑇ Rated Highest service Rated insulation
˄kV˅ ˄kV˅ ˄kV˅ voltage(kV) voltage(kV) level(kV)
3 3.6 3.6/25/40 3 3.6 3.6/25/40
6 7.2 7.2/32/60 6 7.2 7.2/32/60
10 12 12/42/75 10 12 12/42/75
15 17.5 17.5/55/105 15 17.5 17.5/55/105

20 24 24/65/125 20 24 24/65/125
35 40.5 40.5/95/185 35 40.5 40.5/95/185

4 ⊼ᛣџ乍 4 Notes
4.1 ⬉⌕Ѧᛳ఼ⱘϔ⃵㒩㒘᳝⬉⌕䗮䖛ᯊˈѠ⃵㒩 4.1 The secondary winding of a current transformer
㒘ϡᕫᓔ䏃DŽ৺߭ᇚ᳝催⬉य़ѻ⫳ˈᇍҎ䑿ᅝܼ੠ѻ has not to be open absolutely while primary current is

કᗻ㛑᳝ॅ䰽៪ᕅડDŽ running in the primary winding. Otherwise there will
produce high voltage. It would be dangerous to personal
safety or affect the performance of productsˊ
4.2 ⬉य़Ѧᛳ఼Ѡ⃵㒩㒘ϡᕫⷁ䏃ˈ৺߭Ѧᛳ఼ᇚ 4.2 There should be no short circuit at the secondary
㹿⚻↕DŽ winding for a voltage transformer, or the voltage
transformer would be damagedˊ
4.3 䞡໡Ꮉ乥㗤य़䆩偠ˈᑨ೼㾘ᅮ䆩偠⬉य़ؐⱘ 4.3 The testing voltage has to be 80% stipulated
80%ϟ䖯㸠DŽ testing voltage while repeated power frequency voltage

withstand test neededˊ

ᑓϰಯӮѦᛳ఼ॖ᳝䰤݀ৌ ഄഔ˖ᑓϰⳕಯӮᏖϰජ㸫䘧 ௕ۜġ

Ԩܥġ c ď໇೒Đc ďޏ೬Đ Ҏყġ c ㄀ 4 义