- Other Switches[10]
- Transformers[10]
- Insulation Materials & Elements[4]
- Reactors[2]
- Contact Person : Mr. Zhang David
- Company Name : Guangdong Sihui Instrument Transformer Works Co., Ltd.
- Tel : 86-758-3233661,13902367376
- Fax : 86-758-3233679
- Address : Guangdong,Sihui,Dong Cheng District,Sihui,Guangdong,P.R.China
- Country/Region : China
- Zip : 526200
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110kV SF6 Capacitor High Voltage Transformer
Technical Parameters for TYDL 110/√3 - 0.01H SF6 Capacitor Voltage Transformers
1 Rated voltage 110/√3kV
2 Highest voltage for equipment 126kV
3 Rated frequency 50(60)Hz
4 Rated secondary voltage
a) Measuring secondary winding 0.1/√3kV
b) Protective secondary winding 0.1/√3kV
c) Residual voltage winding 0.1kV
5 Rated operating pressure of gas SF6 is 0.40MPa
6 Minimum operating pressure of the gas SF6 is 0.35MPa
7 Rated output and relative accuracy class (cosΦ=0.8 lag) see Table 1
Table 1 Rated Output and Relative Accuracy Class of Instrument Transformer
Winding | Measuring Winding | Protective Winding | Residual Voltage Winding | ||||
Terminals Marking | 1a-1n | 2a-2n | 3a-3n | da-dn | |||
Accuracy Class | 0.2 | 0.5 | 0.5 | 3P | 0.5 | 3P | 3P |
Rated Output (VA) | 100 | - | 150 | - | - | - | 300 |
- | 150 | - | 250 | - | - | 300 | |
75 | - | 100 |
| - | 75 | 300 |
Notes:
A. The Windings quantity, rated output and accuracy listed above can be designed according to the requirements of the clients;
B. Thermal limit load of each protective winding is 2000 VA.
8 The system earthing mode is effectively earthed neutral system
9 Arcing distance ≥1160mm
10 Creepage distance of outer insulation see Table 2
Table 2 Creepage Distance of Outer Insulation
Pollution Protection Class | Class II | Class III | Class IV |
Creepage Distance (mm) | ≥2520 | ≥3150 | ≥3906 |
11 Rated capacitance (CN) of the capacitor divider is 0.01μF;
Rated capacitance (C1N) of the high voltage capacitor of the capacitor divider is 0.0189529μF;
Rated capacitance (C2N) of the intermediate voltage capacitor of the capacitor divider is 0.0211695μF.
12 The capacitance tolerance of the capacitor divider CN shall not exceed -5%~+10% of rated capacitance; the capacitance tolerance of the high voltage capacitor C1 shall not exceed -5%~+10% of rated capacitance; the capacitance tolerance of the intermediate voltage capacitor C2 shall not exceed ±5% of rated capacitance.
13 The voltage ratio of a capacitor divider shall not exceed ±5% of its rated value.
Notes: Detailed technical data and outline drawings can be provided upon request.
110kV SF6 Capacitor High Voltage Transformer