The principle and the design method of a adjustable voltage unit for the heating transformer in electrical upsetting machine is introduced.
系统中包含一个电镦机加热变压器设计和研制的交流调压单元，本文具体介绍了交流调压的原理，电路的设计思想及其特点。
Tyco Thermal Controls can provide a complete system from electrical transformer and heat-trace panel to power connections, heating cable, end terminations, glass tape and warning labels.
泰科热控提供一整套完备的系统，从配电变压器、电伴热控制柜到接线盒、伴热线、尾端、玻璃胶带和警示标签。
Copper losses are the resistive heating losses in the primary and secondary winding of the transformer.
铜的电阻加热损失的损失在小学和中学绕组变压器。
Since primary transformer of electric locomotive adopts the forced oil-circulation cooling method, its heating computation is rather complicated and difficult.
电力机车主变压器采用强迫油循环吹风冷却方式，其发热计算较为复杂和困难。
The main circuit includes rectifier, inverter, high-frequency transformer and wire heating circuit.
主电路主要由四部分组成：整流电路、逆变电路、高频变压器、焊丝加热电路。
The principle is that the vacuum within the tank, the heating of transformer oil with the formation of oil mist spray method, Ershi oil gas and water escape.
其原理是把油罐内抽真空，将加热的变压器油用喷淋方法形成油雾，而使油中的气体和水分逸出。
The heater is composed of a housing, a heating filament arranged in the housing, and a switch, a transformer and a power plug sequentially connected with the heating filament.
加热器由外壳，设于外壳内的加热丝，以及与加热丝依次连接的开关、变压器、电源插头构成。
In modern thermo-electric plant of large capacity, the backwater heating system and the generator-transformer unit both are the most important parts.
在组成现代大容量热电厂的各主要系统中，回水加热系统和单元机组是热电厂两大重要组成部分。
In modern thermo-electric plant of large capacity, the backwater heating system and the generator-transformer unit both are the most important parts.
在组成现代大容量热电厂的各主要系统中，回水加热系统和单元机组是热电厂两大重要组成部分。
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