【kv5】英语翻译5技术参数5.1额定参数5.1.1额定一次电压:35/√3kV5.1.2...
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解决时间 2021-02-14 08:37
- 提问者网友：ミ烙印ゝ
- 2021-02-13 08:10
【kv5】英语翻译5技术参数5.1额定参数5.1.1额定一次电压:35/√3kV5.1.2...
最佳答案
- 五星知识达人网友：大漠
- 2021-02-13 09:12
【答案】 5 technical parameters
5.1 rated parameters
5.1.1 once rated voltage:35 / √ 3 kV
5.1.2 rated insulation level:40.5/95/185 kV
5.1.3 rated secondary voltage
Secondary windings (measuring winding and winding protection P-3):100 / √ 3 V
Winding residual voltage (P-3):100 / 3 V
Rated output 5.1.4
Measuring 0.2:30 VA
Measuring 0.5:50 VA
Protection P-3:100VA
5.1.5 thermal limit load:1000 VA; 2 × 500VA
5.1.6 rated frequency and phase:50 Hz to 60Hz,single phase
5.1.7 load power factor:COS φ = 0.8 (deferred)
5.1.8 rated voltage and allow the duration factor
Continuous 1.2 times
1.9 times 8h
5.2-winding voltage accuracy and phase error limits
5.2.1 Measurement winding voltage and phase error limits
At the rated frequency of 80% to 120% of rated voltage of a voltage between the secondary windings load of 25% to 100% between the nominal load (lagging power factor of 0.8) arbitrary value,voltage and phase error not Table 2 in value over.
Accurate-voltage error,phase error of ±%
± ( ') ± card
0.2 0.2 10 0.30
0.5 0.5 20 0.60
Note:When transformer has two separate secondary windings,each winding should meet their respective requirements accurate level,this is another winding with 25% to 100% of rated load arbitrary value.
5.2.2 protection of the remaining voltage winding and winding voltage and phase error limits
At the rated frequency,5% rated voltage to rated voltage multiplied by the factor rated voltage of voltage,load in the secondary windings 25% to 100% between the nominal load (lagging power factor of 0.8) arbitrary value,the voltage and phase error Table 3 shall not exceed difference in value.
Table 3
Accurate-voltage error,phase error of ±%
± ( ') ± card
3P 31203.5
6P 62407.0
Note:When is separate from the transformer secondary windings,each winding should meet their respective requirements accurate level,this is another winding with 25% to 100% of rated load arbitrary value.
2% rated voltage,when the load is from 25 to 100% of rated load of any value,and power factor of 0.8 (backward),its voltage and phase error does not exceed the limits set out in Table 3 twice.
5.3 temperature limits:allow the winding temperature is 75 K
5.4 insulation requirements
5.4.1 rated a winding insulation requirements
Rated voltage tolerance induction 5.4.1.1 (a winding short-term pressure)
Tolerance to 185 kV (both the root value),150Hz voltage of 40-s.
5.4.1.2 rated lightning full-wave shock tolerance in the 185 kV voltage (peak) of the positive and negative polarity of the impact of 15,should not be damaged transformer.
5.4.1.3 lightning latest wave voltage shock tolerance
For the latest wave tolerance 212.8 kV voltage (peak),the sum of three times.
Winding a grounding terminal 5.4.1.4 (N) on the secondary winding,winding and the remainder should be tolerance for the short-term frequency tolerance rated voltage of 5 kV (both the root value),continued for 1 min.
5.4.2 partial discharge requirements
Pre-voltage tolerance induction rated voltage of 80%,48.6 kV voltage measurement,the product,as in partial discharge of not more than 5 pC..
5.4.3 tolerance induction,wet insulation voltage of 95 kV
5.4.4 secondary windings of the short-term frequency tolerance voltage requirements
Secondary windings,and the remaining voltage between the windings and to be capable of absorbing the pressure rated frequency tolerance 3 kV (both the root value),for the duration of 1 min.
5.4.5 a winding on the transformer secondary windings and insulation resistance between not less than 500 M Ω,and the secondary winding between the insulation resistance of not less than 100 M Ω.
5.5 Short-circuit affordability
When the transformer at rated voltage excitation,can withstand a short circuit s external mechanical effects and thermal effects without injury.
5.6 capacitance and dielectric loss factor (tan δ)
At the rated frequency,voltage of 10 kV on products,the product's overall dielectric loss factor (tan δ) ≤ 0.02.
5.1 rated parameters
5.1.1 once rated voltage:35 / √ 3 kV
5.1.2 rated insulation level:40.5/95/185 kV
5.1.3 rated secondary voltage
Secondary windings (measuring winding and winding protection P-3):100 / √ 3 V
Winding residual voltage (P-3):100 / 3 V
Rated output 5.1.4
Measuring 0.2:30 VA
Measuring 0.5:50 VA
Protection P-3:100VA
5.1.5 thermal limit load:1000 VA; 2 × 500VA
5.1.6 rated frequency and phase:50 Hz to 60Hz,single phase
5.1.7 load power factor:COS φ = 0.8 (deferred)
5.1.8 rated voltage and allow the duration factor
Continuous 1.2 times
1.9 times 8h
5.2-winding voltage accuracy and phase error limits
5.2.1 Measurement winding voltage and phase error limits
At the rated frequency of 80% to 120% of rated voltage of a voltage between the secondary windings load of 25% to 100% between the nominal load (lagging power factor of 0.8) arbitrary value,voltage and phase error not Table 2 in value over.
Accurate-voltage error,phase error of ±%
± ( ') ± card
0.2 0.2 10 0.30
0.5 0.5 20 0.60
Note:When transformer has two separate secondary windings,each winding should meet their respective requirements accurate level,this is another winding with 25% to 100% of rated load arbitrary value.
5.2.2 protection of the remaining voltage winding and winding voltage and phase error limits
At the rated frequency,5% rated voltage to rated voltage multiplied by the factor rated voltage of voltage,load in the secondary windings 25% to 100% between the nominal load (lagging power factor of 0.8) arbitrary value,the voltage and phase error Table 3 shall not exceed difference in value.
Table 3
Accurate-voltage error,phase error of ±%
± ( ') ± card
3P 31203.5
6P 62407.0
Note:When is separate from the transformer secondary windings,each winding should meet their respective requirements accurate level,this is another winding with 25% to 100% of rated load arbitrary value.
2% rated voltage,when the load is from 25 to 100% of rated load of any value,and power factor of 0.8 (backward),its voltage and phase error does not exceed the limits set out in Table 3 twice.
5.3 temperature limits:allow the winding temperature is 75 K
5.4 insulation requirements
5.4.1 rated a winding insulation requirements
Rated voltage tolerance induction 5.4.1.1 (a winding short-term pressure)
Tolerance to 185 kV (both the root value),150Hz voltage of 40-s.
5.4.1.2 rated lightning full-wave shock tolerance in the 185 kV voltage (peak) of the positive and negative polarity of the impact of 15,should not be damaged transformer.
5.4.1.3 lightning latest wave voltage shock tolerance
For the latest wave tolerance 212.8 kV voltage (peak),the sum of three times.
Winding a grounding terminal 5.4.1.4 (N) on the secondary winding,winding and the remainder should be tolerance for the short-term frequency tolerance rated voltage of 5 kV (both the root value),continued for 1 min.
5.4.2 partial discharge requirements
Pre-voltage tolerance induction rated voltage of 80%,48.6 kV voltage measurement,the product,as in partial discharge of not more than 5 pC..
5.4.3 tolerance induction,wet insulation voltage of 95 kV
5.4.4 secondary windings of the short-term frequency tolerance voltage requirements
Secondary windings,and the remaining voltage between the windings and to be capable of absorbing the pressure rated frequency tolerance 3 kV (both the root value),for the duration of 1 min.
5.4.5 a winding on the transformer secondary windings and insulation resistance between not less than 500 M Ω,and the secondary winding between the insulation resistance of not less than 100 M Ω.
5.5 Short-circuit affordability
When the transformer at rated voltage excitation,can withstand a short circuit s external mechanical effects and thermal effects without injury.
5.6 capacitance and dielectric loss factor (tan δ)
At the rated frequency,voltage of 10 kV on products,the product's overall dielectric loss factor (tan δ) ≤ 0.02.
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- 1楼网友：封刀令
- 2021-02-13 10:42
这个答案应该是对的
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