A battery incorporating with a power electronics converter as a power module can provide the required voltage levels for the different load applications.
电池配合电力电子转换器，可提供负载所需更精致的电源形式和电压电流准位。
Experimental result shows that the method makes the operating voltage of electric-light source maintained at the range required voltage level of power saving.
实验证明，该方法使电光源的工作电压基本保持在所要求的节电等级的电压范围内。
All LED magnifiers provide a very even illumination of the field of view. The required voltage of 3.6 volt is provided by two batteries (AA or a) via a step-up converter.
所有的LED带灯放大镜都可以提供视场均匀照明，所要求的3 . 6伏电压由两节电池通过一个升压变换器完成。
KP4003A high voltage power supply is the use of high-voltage transformer to power frequency voltage boost to the required voltage for different static elimination product.
KP4003 A高压电源供应器是利用高压变压器将工频电压升压到所须电压，供不同静电消除产品使用。
Which one is actually observed depends on whether the voltage has been increased or lowered to the required value.
出现哪个取决于电压是否被提升或减弱到所需的值。
Because of the low test current level used, a very sensitive voltmeter is required to measure the voltage drop, which is usually in the microvolt range.
由于所使用的测试电流很低，所以就需要非常灵敏的电压表来测量这种通常在微伏范围的电压降。
The CVCF-SPWM inverter is the core of a UPS system which required high quality output voltage waveform.
SPWM逆变器是UPS系统的核心部件，要求它具有高质量的输出电压波形。
This requires an overall voltage gain of 109, so a number of voltage gain stages will be required.
这就要求电压的总增益达到109，因此就需要很多放大器级联起来。
Due to its relative low amplitude properties, the bioelectricity signal is easy influenced by surrounding factor, the amplifier with low noise and voltage offset is required.
由于生物电信号非常微弱，容易受量测环境及电路本身等因素所影响，故要求该放大器具有低噪声和低失调电压的性能。
It means that, in information terms, the signal pattern is determined by the way the voltage varies with time, and ideally the current required is then drawn.
用信息术语来说就是信号类型取决于电压随时间变化的情况，且在理想情况下就能吸收所需的电流。
This control method can regulate the burn-off process of contact bridge according to requirements so that the required flashing voltage is lowered and the flashing heating efficiency raised.
这种控制方法可以根据要求改变触点的烧化过程，从而降低激发闪光所需的电压，提高闪光加热效率。
By analyzing the error of parameters of Millikan oil drops experiment, the proper voltage and the proper time required for its falling through a specified distance are found.
通过对密立根油滴实验参数的误差分析，找出适当的平衡电压和下降一段距离所需要的时间。
An induction coil that converts current from a battery into the high-voltage current required by spark plugs.
能够把电池转化为电源插座必须的高压电流的感应线圈。
These may be required where harmonic currents caused by the thyristor phase control of the reactor current must be filtered to prevent unacceptable transmission bus voltage distortion.
这里须滤去由电抗器相位控制引起的谐波电流以避免不能接受的输电母线电压畸变。
Can be fusible during the stated time for protecting the circuit once wording at the required overload voltage.
施加过负荷电压时，在规定的时间内熔断，对电路起保护作用。
Relating to the extension and application of the international unified standard IEC61850 for the digital substation, strong network functions are required in high-voltage digital protection device.
国际上统一的数字化变电站标准IEC61850逐步推广应用，要求高压数字保护装置具备强大的网络通讯功能。
Generator design considerations determine the field current, field voltage, and consequently, the power required for excitation.
发电机的设计要求决定了励磁电流、励磁电压，从而也决定了励磁所需的功率。
Constant current mode, regardless of the input voltage required to change (within a certain range), flows through the constant current electronic load, and the current value can be set.
恒流方式时要求不论输入电压如何变化(在一定范围内)，流过该电子负载的电流恒定，且电流值可设定。
Since the display unit is powered by the same DC voltage that feeds the transmitter, no additional wiring is required.
自从显示器由相同的直流电压供电开始，就不再需要额外的线。
Because the capacitor voltage always changes in the course of charging, and the equivalent load also changes in a large range, the load characters of charging circuit are required strictly.
由于电容在充电过程中，其电压不断改变，其等效负载也在较大的范围内变化，因而对充电电路的负载特性提出了较高要求。
Generator's operation with leading power factor, as a means of voltage control, has been adopted widely as required in case of light load and high voltage.
作为一种调节系统电压的手段，发电机进相运行已在电网小方式电压偏高情况下按系统需要普遍采用。
It is required to develop low voltage electrical apparatus with compact, reduced cost, high interruption performance and integrated function for satisfaction of market competition.
由于市场竞争的需要，要求开发结构紧凑、成本低、高分断性能、具有多种功能的低压电器。
Eight voltage measurements are required in the van der Pauw resistivity measurement method.
范德堡电阻率测量方法需要测量8个电压。
Arc welding generator used for field welding, sometimes is required to have both dropping and constant voltage external characteristics.
用于野外焊接施工的弧焊发电机，有时需要有下降特性和平特性的双重输出外特性。
Voltage and other tec. Parameter can be according to the customer required.
产品使用电压或其他参数可根据客户需求另定。
Voltage band provides protection to equipment required to operate within an upper and lower voltage limit, allowing the internal relay to stay energized.
压带对需要在电压上限值和下限值范围内运行的设备提供保护，允许内部继电器保持通电。
Provide special expertise and handle high voltage electrical systems as required.
需要时，为强电电气系统提供专业支持和维修。
On a string of more than three capacitors, voltage balancing is required to prevent any cell from reaching over-voltage.
在以上三个电容器串，需要平衡电压，以防止达成的任何细胞电压。
On a string of more than three capacitors, voltage balancing is required to prevent any cell from reaching over-voltage.
在以上三个电容器串，需要平衡电压，以防止达成的任何细胞电压。
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