20kv

220 / 20kV power supply scheme in high load density urban areas

城市高负荷密度地区220/20kV供电方案研究

Economical effects and feasibility of the 110 / 20kV scheme is discussed .

对实施110/20kV方案的经济性和可行性进行了论证。

Development of a 5kW / 20kV Pulse Dewatering Power Supply

5kW/20kV脉冲脱水电源的研制

To improve the reliability of power supply distribution network , 110 / 20kV main transformer substation can take parallel operation , and resistances are used to limit short circuit current .

为提高配电网的供电可靠性，110/20kV变电站可以采取两台主变并列运行的方式，需采用高抗主变或串联电抗限制20kV侧短路电流水平。

It is suggested that in new rural power network , 110 / 10kV supply mode is the top-priority , 35 / 10kV substations should be controlled properly , and 110 / 20kV supply mode can be used as experimental applications .

建议在新建农村电网中，优先考虑110/10kV供电模式，适当控制35/10kV变电所的发展，并试点应用110/20kV供电模式。

We use green pepper as experimental material to explore the effect of 20kv / m , 60kv / m , 100kv / m high voltage static electric field ( HVEF ) on the decomposing rate , the containment change of vitamin C and ethylene , s release .

以青椒为材料，研究了20kV/m、60kV/m、100kV/m高压静电场处理对青椒的腐烂率、果实Vc含量及乙烯释放量的影响。

Taking Dong Jujube as experimental material , the weight loss rate , the decomposing rate , the containment change of vitamin C of fruit are studied under high voltage static electric field ( HVEF ) with 20kV / m , 60kV / m , and 100kV / m.

以冬枣为材料，研究了20kV/m，60kV/m和100kV/m高压静电场处理对果实质量损失率、腐烂率及果实维生素C含量变化的影响。