| 1. | Do not staple or otherwise attach the ac power supply cord to building surface
不要把交流电源线固定或附于建筑物的表面。 |
| 2. | It is designed for desk - top usage and has a front loading system and a built - in ac power supply
它是为在桌面使用而设计的并且使用前面装载系统和一内置ac电源 |
| 3. | Universal ac power supply voltage ac100 240v without grounding safe - ss save safety terminals
国际通用ac电源电压ac100 240v无需接地采用安全型ss save safety端子。 |
| 4. | When a new clean ac power supply is designed , it is very necessary to know the relationship between the equivalent induction and the thyristor turn - on angle
在设计新型交流净化电源时，掌握等效电感和双向晶闸管延迟导通角之间的关系很重要。 |
| 5. | Electric ac power supplied by the electric company for the broadcasting equipment both at ibc and venues . in case of trouble it is automatically switched to the power from the generators or ups
场馆和ibc设备使用的交流电，如果出现故障，会自动切换到自备发电机或紧急备用电源。 |
| 6. | Transferred to ac power supply for overload . due to the change of normal power supply mode t o battery mode is most depends on the relay , it need time ; furthermore , the inverter s start also need
W系列后备式ups系专为pc机用户设计的，其具有体积小重量轻效率高等特点，是家庭和办公理想的实用机型。 |
| 7. | Ac link is fully verified by the simulation and the pricinple test . this kind of converter lay the key technical foundation on new type electronic transformer , regulated sinusoidal ac power supply , ac regulator
220v 10 ( 50hz ) 220v ( 50hz )单极性移相控制电压源高频交流环节ac ac变换器的仿真与原理试验证实了这类变换器新概念的正确性与先进性。 |
| 8. | The origin and evolvement of cuk converter are introduced and the voltage and current waveforms of every period are analyzed and presented . the state differential equations of ideal cuk converter are deduced and the simulation models of ideal cuk converter , ac power supply and pulse width modulator ( pwm ) are erected
论文介绍了cuk型dc / dc变换器由来、演变；分析了各个环节、期间的电压、电流的变化情况及波形；推导了理想cuk变换器的状态方程；建立了cuk主电路以及相关交流电源、脉冲宽度调制器的simulink仿真模型。 |
| 9. | The prototype test results indicate : voltage mode and current mode ac - ac mode ac / ac converters with high frequency link have the advantages such as high frequency electrical isolation . simple topology , two - stage power conversions , high power density , bidirectional power flow , good line current waveform , no audio noise , high converting efficiency , and high input power factor etc . this kind of converter lay the key technical foundation on new type regulated sinusoidal ac power supply , electronic transformer , ac regulator , and wave converter etc
试验表明，这类变换器具有高频电气隔离、电路拓扑简洁、两级功率变换( lfac hfac lfac ) 、功率密度高、双向功率流、无音频噪音、变换效率高、网侧功率因数高等优点。为新一代正弦交流稳压器、电子变压器、交流调压器、同频波形变换器的实现奠定了关键技术基础。 |
| 10. | The most effective converter that fits for such kind of application is a well - known full - bridge three - phase vsi ( voltage source inverter ) converter with igbt ( insolated gate bipolar transistor ) modules , which can be used in wind power generation system or other general purpose utilizations such as asd ( adjustable speed drive ) , active rectifiers , ac power supplies , and so forth
最适合的变换器就是igbt (集成门极双极性晶体管)三相全桥电压源变换器,这种拓扑结构的变换器可以应用到风力发电系统或者其他通用的场合,比如asd (变速驱动)系统、有源整流、交流电源等等。 |
