a new concept is proposed, which is used to save the transformer and to directly feed back slip power to the stator winding. with this new method, the selection of feedback point on the stator winding.

the control system of grading light in airdrome that consists of constant-current modulator for light, setting-up transformer, isolating transformer and angle controller of grading light is introduced.

介绍了由恒流调光器、升压变压器、隔离变压器、坡度灯角度控制器等构成的机场坡度灯控制系统。

互联网摘选

this kind of high voltage generator can be connected directly to power system without transformer, it is a technical revolution in the history of electric machine.

这种超高压发电机直接可以不通过升压变压器，这是电机发展史上的一场技术革命。

互联网摘选

the large-sized booster transformers have possessed an important position in power system, which has strict requirements for their performance and structure.

大型升压变压器在电力系统中占有重要的地位，对其性能、结构有严格的要求。

互联网摘选

the powerformer generates hv/ ehv avoiding an ascending transformer and the energy generated by the powerformer is input the grid directly.

新型超高压发电机可以直接产生高电压，省去了升压变压器，可直接将电能输入电网。

互联网摘选

the unit can be started with the breaker or switch opened using the generator step-up transformer as a source of off-site power.

机组可在断路器或负荷开关打开时，采用发电机升压变压器作为一种非本电厂电源来起动。

互联网摘选

except the inherent design requirements, large gus-transformers need a lot of attention during the design phase because of various limitations.

大型发电机升压变压器除了一些固有的设计要求外，还由于有各种限制在设计中应特别关注。

互联网摘选

design features of very large generator step-up transformers

大型发电机升压变压器的设计特点

互联网摘选

high-voltage generator paralleled in electric power system without transformer

不用升压变压器直接并网的高压发电机

互联网摘选

operation characteristic of large boost transformer and issues interested in model selection

大型升压变压器的运行特性及选型时应关注的问题

互联网摘选

the design difficulties of the intermediate frequency transformer are introduced.

介绍了中频升压变压器的设计难点和设计过程。

互联网摘选

analysis of abnormal hydrogen content in large generator step-up transformer oil

某大型发电机升压变压器油中氢气异常分析

互联网摘选

analysis of technological factor for 240mva/ 220kv double-winding step-up transformer

240MVA/220kV双绕组升压变压器工艺系数分析

互联网摘选

according to the approved preliminary design, a total of 27 sets of 840 mva/ 500 kv 3-phase double winding set-up transformer will be ordered.

按审查的初步设计方案，共需840MVA／500kV三相双卷升压变压器27台。

互联网摘选

a kind of novel harmonic elimination ac voltage regulator is proposed. it is made up of a chopper type ac-ac buck converter and a series-compensation boost transformer to realize bi-direction voltage regulation of load terminal.

提出一种新型谐波消除交流电压调节器方案，采用斩波方式AC-AC降压变换器结合输出串联补偿升压变压器实现负载电压的双向调节。

互联网摘选

powerformer, launched in 1998, is a high voltage synchronous machine that is suitable for direct connection to the high voltage network without any step-up transformer.

Powerformer是一种高压发电机，可以直接和高压母线直接连接而无需升压变压器进行升压。

互联网摘选

a high precise and high voltage pulse generator made up of high-power igbt and pulse transformer is proposed.

介绍利用大功率绝缘栅极晶体管（IGBT）配合脉冲升压变压器组成的高精度高压脉冲电源。

互联网摘选

powerformer incorporates the functions of the conventional generator and the step-up transformer into one unit, which represents the latest achievement in the power generation technology.

Powerformer是一种集成了传统发电机和升压变压器功能的新型高压发电机，是在发电技术领域取得的最新进展。

互联网摘选

the 1000v adjustable pulsant direct current power source was designed based on the autotransformer and step-up transformer.

1000V可调脉动直流电源将自耦调压器与升压变压器相结合设计。

互联网摘选

application of three extraction procedures to study phosphorus availability in long-term experiment

用三种浸提方法研究长期定位试验中土壤磷素有效性

互联网摘选

a long term experiment on the effect of different fertilizers combined on bio-characters and yield of summer corn

不同肥料配比对夏玉米生物性状及产量影响的定位研究

互联网摘选