EUROELETTRO变压器,EUROELETTRO变频器
品牌简介
意大利EUROELETTRO生产变压器、变频器,产品广泛用于电力行业。
变压器的特性参数
1工作频率
变压器铁芯损耗与频率关系很大,故应根据使用频率来设计和使用,这种频率称工作频率。
1 operating frequency
The core loss of transformer is closely related to frequency, so it should be designed and used according to the use frequency, which is called working frequency.
2额定功率
在规定的频率和电压下,变压器能长期工作,而不超过规定温升的输出功率。
2 rated power
Under the specified frequency and voltage, the transformer can work for a long time without exceeding the output power of the specified temperature rise.
3额定电压
指在变压器的线圈上所允许施加的电压,工作时不得大于规定值。
3 rated voltage
It refers to the allowable voltage applied on the coil of transformer, which shall not be greater than the specified value during operation.
4电压比
指变压器初级电压和次级电压的比值,有空载电压比和负载电压比的区别。
4 voltage ratio
It refers to the ratio of primary voltage to secondary voltage of transformer, which is different from no-load voltage ratio and load voltage ratio.
5空载电流
变压器次级开路时,初级仍有一定的电流,这部分电流称为空载电流。空载电流由磁化电流(产生磁通)和铁损电流(由铁芯损耗引起)组成。对于50Hz电源变压器而言,空载电流基本上等于磁化电流。
5 no load current
Transformer secondary open circuit, the primary still has a certain current, this part of the current is called no-load current. The no-load current consists of magnetizing current (producing magnetic flux) and iron loss current (caused by core loss). For a 50 Hz power transformer, the no-load current is basically equal to the magnetizing current.
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灿勤实业(上海)有限公司
Canqin Industry (Shanghai) Co Ltd.
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