| 1. | Erection of power installations with nominal voltages up to 1000 v ; auxiliary circuits 标称电压1kv以下的电力装置的安装.辅助电路 |
| 2. | Connectors for low - voltage withdraeable switchgear and controlgear assemblies auxiliary circuit 低压抽出式成套开关设备和控制设备辅助电路用接插件 |
| 3. | Railway rolling stock . magneto - thermic microcircuit - breakers for maximum current for controls and auxiliaries circuits . dimension 铁路机车车辆.控制装置和辅助线路用最大电流热磁电机微电路断电器.尺寸 |
| 4. | Railway rolling stock . magneto - thermic microcircuit - breakers for maximum current for controls and auxiliaries circuits . generalities and tests 铁路车辆.控制和辅助线路用最大电流热磁电机微型电路断路器.一般原则和试验 |
| 5. | At the same time , this paper also designed and composed the main structure circuits and its auxiliary circuits that are mainly constituted by intelligent power model ( ipm ) 采用以igbt为开关电路的智能功率模块构成统一潮流控制器主电路,设计和制作了外围驱动电路和辅助电路。 |
| 6. | Proceed from energy - conserving angle , utilize infrared device and intensity of illumination count and auxiliary circuit make up " classroom light systematic intellectual control " device far 摘要从节能的角度出发,利用远红外装置和照度计(光电管)及辅助电路组成“教室照明系统的智能控制”装置。 |
| 7. | The silicon controlled trigger and it s auxiliary circuit could regulate simultaneously the controlling coil current of four series - parallel connected powers , so the purpose of making four powers output in step with was achieved , and the process of increasing progressively current after lighting arc and weakening current after going out arc was realized 利用可控硅触发器及辅助电路可以同时调节串并联在一起的四台电源控制线圈的电流,达到四台电源同步输出的目的,并且实现了等离子弧喷涂引弧时电流递增和熄弧时电流衰减的过程。 |
| 8. | It is one of breakthrough points in the project . as for hardware , an improved rp inverter with the auxiliary circuit is proposed , and power devices realized soft - switching in the circuit . as for software , by modifying svpwm ( space vector pulse width modulation ) technique , it is proposed that the random control algorithm of svpwm based on regular sampling 这是本课题创新点之一,在硬件方面,应用软开关技术,设计了一种自行开发的带辅助电路的极谐振型逆变器;在软件方面,对传统空间电压矢量控制策略进行改进,提出了基于规则采样的空间电压矢量pwm随机控制新型快速算法。 |
| 9. | In this thesis , a clamp passive loseless snubber is put forward for igbt inverters after analysing the dissipation of hard switching and soft switching with snubber . then theoretical analysis and simulation are been take to prove the work of the snubber . and a real inverter circuit and its auxiliary circuits are built 本文在对igbt在硬开关和有缓冲电路的软开关情况下的开关损耗进行分析之后,提出一种适用于igbt逆变桥的钳位式无源无损缓冲电路,然后进行了理论分析和仿真分析,并制作了实验电路和相关辅助电路。 |
| 10. | Capacitance between any two terminals in the installation should no more than 1 . 06 . 3 . insulation level of installation : for rated voltage of 6kv installation , it can endure 23kv rms for 1 min between the phrase to phrase or phrase to earth of main circuit ; for rated voltage of 10kv installation , it can endure 30kv rms for 1 min between the phrase to phrase or phrase to earth of main circuit ; it can be endure 2kv rms for 1 min between auxiliary circuits of installation 3 .装置的绝缘水平: 6kv额定电压的成套装置,其主电路相间及相与地之间,工频耐受电压方均根值23kv , 1min 10kv额定电压的成套装置,其主电路相间以及相与地之间,工频耐受电压方均根值30kv , 1min成套装置辅助电路工频耐受电压方均根值2kv , 1min 。 |