Single Phase Compack Combined CT PT Transformr

• Application: Instrument
• Type: Combined Transformer
• Phase: Three
• Operation Condition: Outdoor
• Usage: Protection, Measurement
• Winding Form: Multilayer Honeycomb Type
• Model NO.: CTP
• Insulating Medium: Epoxy Resin
• Installation: Extension Type
• Transport Package: Wooden
• Specification: 13.8KV
• Trademark: HEMG
• Origin: China
• Production Capacity: 10000

Product Description

 

SPECIFICATION OF 34.5KV COMBINED CT PT TRANSFORMER

1. 
   
   
   : CCPT-34.5

 

1. Standard:IEC 61869-1&2&3&4Instrument transformers, CFE VE100-29

3. Working Condition
3.1 The highest voltage for equipment / frequency:38kV/60Hz
3.2 Working Temperature:-40ºC~40ºC
3.3 Three phase,Outdoor
3.4 Creepage distances: ≥28mm/Kv
3.5 Wind Speed:160KM/H
3.6 Sea Level: ≥2500m

4. Application  
Applicable to the frequency of 60Hz, the highest voltage of 38kV, which is used for measurement and protection. Suitable for pole-mounted, outdoor

5. Main technical requirements
5.1 Wiring Connecting Diagram

5.2 Parameter sheet
5.2.1 Data of voltage transformer

Rated primary voltage (V)	Rated primary voltage(V)	Accuracy	Rated Burden(VA)	Voltage factor	VAth(VA)	Rated insulation level(kV)
20125	115	0.2	50	1.2Un/continue 1.9Un/8h	500	38/70/170 kV Ext.BIL:200kV

5.2.2 Data of current transformer

Rated ratio	Rated load (VA)	Accuracy	Icth	Ith(kA/1s)	Idyn(kA)	Rated insulation level(kV)
10/5A,50/5A 200/5A	15	0.2S	200%	80×Ipr	2.5×Ith	38/70/170 kV Ext.BIL:200kV

5.3 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/1min
5.4 Insulation resistance test
Pri.-Sec. &Ground:  ≥1000MΩ/DC2500V, Sec.-Sec. &Ground: ≥500MΩ/DC2500V
5.5 Partial discharge: meet standard IEC61869-1:2007
6.Dimension  

Fig.1  Outline dimension