Ningbo Hyuan Power Industry Co., Ltd.  

Product Name: Single Phase Compack Combined CT PT Transformr Model NO.: CTP Installation: Extension Type Insulating Medium: Epoxy Resin Winding Form: Multilayer Honeycomb Type Usage: Protection, Measurement Operation Condition: Outdoor Phase: Three Type: Combined Transformer Application: Instrument Trademark: HEMG Transport Package: Wooden Specification: 13.8KV Origin: China Product Description SPECIFICATION OF 34.5KV COMBINED CT PT TRANSFORMER: CCPT-34.5Standard:IEC 61869-1&2&3&4Instrument transformers, CFE VE100-293. Working Condition 3.1 The highest voltage for equipment / frequency:38kV/60Hz3.2 Working Temperature:-40ºC~40ºC3.3 Three phase,Outdoor3.4 Creepage distances: ≥28mm/Kv3.5 Wind Speed:160KM/H3.6 Sea Level: ≥2500m4. Application Applicable to the frequency of 60Hz, the highest voltage of 38kV, which is used for measurement and protection. Suitable for pole-mounted, outdoor5. Main technical requirements5.1 Wiring Connecting Diagram5.2 Parameter sheet5.2.1 Data of voltage transformerRated primary voltage (V)Rated primary voltage(V)AccuracyRated Burden(VA)Voltage factorVAth(VA)Rated insulation level(kV)201251150.2501.2Un/continue1.9Un/8h50038/70/170 kVExt.BIL:200kV5.2.2 Data of current transformerRatedratioRated load(VA)AccuracyIcthIth(kA/1s)Idyn(kA)Rated insulation level(kV)10/5A,50/5A200/5A150.2S200%80×Ipr2.5×Ith38/70/170 kVExt.BIL:200kV5.3 Withstand requirement: (installation site should be not more than 1000m under standard pressure )5.3.1 Inductive withstand voltage: Pri.-Sec. &Ground 70kV/40s@180Hz,5.3.2 Power frequency withstand voltage: Sec.-Sec. &Ground 3kV/1min, N earth terminal - Sec. &Ground: 3kV/1min5.4 Insulation resistance testPri.-Sec. &Ground: ≥1000MΩ/DC2500V, Sec.-Sec. &Ground: ≥500MΩ/DC2500V5.5 Partial discharge: meet standard IEC61869-1:20076.Dimension Fig.1 Outline dimension