过电压

C. Battery recharegd protection;It is totally automatic protection in which charge/discharge be reached appointed voltaeg.

C。 电池过充过放保护；充电过到指定的电压时全自动保护，放电达到指定的电压时全自动保护。

Solar controller series is the intelligent control of micro-computer chip products, it can real-time monitoring of solar cell voltage and battery voltage, when the charging voltage reaches the rated voltage automatically transferred to the pulse charging, the battery automatically stops charging after saturation, the effective prevention of Charge-off and less filling.

串联型太阳能控制器，是微电脑芯片控制的智能产品，它能实时监控太阳能电池的电压和蓄电池的电压，当充电电压达到额定电压时，自动转入脉动充电，蓄电池饱和后自动停止充电，有效防止过充和欠充。

In the proposed device to remedy the defect that overhigh withstand voltage of thyristors used in converter are needed due to the overhigh DC link voltage, a method to control DC link voltage is put forward, that is, a special control logic for full-controllable switching elements is designed to make them equivalent to half-controllable switching elements which are naturally turned on and turned off by triggering, then connecting such a half-controllable switching element in series with DC link the defect of overhigh DC link voltage is effectively solved.

为了克服该装置直流母线电压过高，因而对逆变器开关管耐压要求过高的缺点，提出一种对直流母线电压进行控制的方法。对全控型开关器件设计一种特殊的控制逻辑，使其等效为一个自然导通、触发关断的半控型开关器件，将该半控型开关串联在直流母线上，有效解决了直流母线电压过高的问题。

There is a holding angle at the vertex of hexagon.

当参考电压矢量位于过调制模式Ⅰ时，其轨迹位于六边形内部的部分仍保持为圆形，其幅值略大于参考电压矢量的模值，以补偿空间矢量在六边形边上的电压损失；在六边形之外的圆形轨迹变为六边形的边沿，此区域内，电压空间矢量的幅值扭曲，相位连续。

L Intelligent three-phase charge mode: We adopt constant current technology at the beginning of charge, which can made current invariable and avoid battery broken or accelerating battery aging. It can convert to constant- voltage and current-limiting charge when charge voltage achieves upper limit voltage, which can improve effectively the capacity conversion efficiency of battery. Trickle and floating charge make each single cell battery constant receive electricity and ensure battery capacity can be recall most, which solved the unbalanced phenomenon of single cell battery and avoid the danger of voltage change and the end of battery charge, extend battery life.

l 智能三阶段充电模式：充电初期采用恒流技术，使充电电流恒定，避免损坏电池，加速电池的老化；充电电压达到上限电压时自动转换为恒压限流充电，有效的提高了蓄电池的容量转换效率；涓流浮充使各单体电池均衡受电，保证电池容量得以最大限度恢复，有效解决单体电压不均衡现象，避免了市电电压的变化和蓄电池充电的末期造成的蓄电池过压充电的危险，大大延长了蓄电池的使用寿命。

Trickle and floating charge can make each single cell battery receiving electricity constant, ensure batteries capacity resuming maximum, settle the disproportion phenomenon of single cell battery, avoid the overvoltage charge danger of the power voltage change and the end of battery charge and extend the operational life of battery.

61548；完善的充电特性：采用恒流技术，充电初期电流恒定，使每节电池都能较快地充分地充满电，充电效率高，电池温升小；在充电电压达到上限电压时自动切换到恒压限流充电，有效的提高了蓄电池的容量转换效率；涓流浮充使各单体电池均衡受电，保证电池容量得以最大限度恢复，有效解决单体电压不均衡现象，避免了市电电压的变化和蓄电池充电的末期造成的蓄电池过压充电的危险，大大延长了蓄电池的使用寿命。

Through the analysis of practical structure of network and character of generators, considering the generator unit's self-exciting and the overvoltage of the no-load circuit in course of power transmission, a counterplan of Black-Start is drafted out under emergency accident.

通过对这个地区的网架结构和机组特性的分析，并考虑了机组的自励磁问题和送电过程中空载线路的过电压问题，编制了巴盟地区电网的黑启动的预案。

Considering the generator unit's self-exciting, overvoltage of the no-load circuit in course of power transmission, the structure of network and load distribution situation in the area of Heilongjiang, the whole network is divided into four small systems: JingPo Lake, LianHua factory, FuEr factory and HarBin.

结合&黑启动&机组所在区域的电网结构和负荷分布情况，并考虑机组的自励磁问题和送电过程中空载线路的过电压问题，将整个黑龙江电网划分为4 个小系统，即镜泊湖、莲花厂、富二厂和哈尔滨小系统。

Lightning voltages may be of high magnitude but are of very short duration; their time is measured in microseconds.

雷电过电压具有很高的幅值，但持续时间极短，以微秒计算。

The bearing level for the over-voltage is the main guideline of the H.V. equipment's insulating.

电力设备对过电压的耐受能力是其绝缘结构强度的重要指标。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。