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一、前言《DB》系列双频电机,由其独特的优点,使之能较满意地应用于双频供电机组上,为机组(移动电站)开创了新的一代。它在研制开始,即受到上级部门和各有关单位的重视。部分规格成品,经配套联试和实际使用表明,电机达到当前用电装备的要求指标,受到欢迎和好评。目前,电机已初具系列[见本《学报》1976年第1期“《DB》系列双频供电机组”],正
I. INTRODUCTION “DB” series dual-frequency motor, by virtue of its unique advantages, can be more satisfactorily applied to dual-frequency power supply units, creating a new generation for the unit (mobile power station). At the beginning of its development, it received the attention of higher authorities and relevant units. Some specifications of the finished product, the test and the actual use of the test shows that the electrical equipment to meet the current requirements of electrical indicators, are welcome and praise. At present, the motor has been the beginning of a series [see the “Journal” No. 1 of 1976 “” DB “series dual-frequency power supply unit”], is