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This test apparatus is able to measure the drain-source breakdown voltage, static drain-source on resistance, gate threshold voltage, forward transconductance and input capacitance of power MOSFET accurately, which has been applied in practice.

所设计的功率MOSFET测试仪可以进行功率MOSFET的耐压、沟道电阻、开启电压、跨导及输入结电容几个参数的精确测量，并已实用化。

When a transformer is supplied energy at a given voltage and delivers it at some lower voltage, it is called step-down transformer.

当变压器提供能源在特定的电压，并提供它在一些低电压，这是所谓的降压变压器。

High-voltage power distribution and the step-down transformer should regulate the electricity sector for the construction of the installation; Chai oil-fired units. UPS and low-voltage power distribution panels to be installed in accordance with the norms of telecommunications power.

高压配电所和降压变压器应按照电力部门的规范进行建设安装；柴油发电机组、UPS和低压配电屏的安装应遵照电信电源规范进行。

AC Power Supply System Communication Power Supply System exchanges generally are high-voltage power distribution, step-down transformer, Chai oil-fired units, UPS and low-voltage distribution screen composition.

通信电源的交流供电系统一般由高压配电所、降压变压器、柴油发电机组、UPS和低压配电屏组成。

For a step-up transformer, the output voltage is HIGHER than the input voltage.

对于一个升压变压器，输出电压高于输入电压。

Otherwise, because of the limitation of IGBT's specified voltage, we must use special step-up transformer, which is more expensive, if we put this device into high voltage power system.

另外，由于补偿装置中IGBT模块的额定工作电压的限制，若要将其运用于高压系统需要连接特殊的升压变压器，成本较高。

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。

When the power system load in a small disturbance, the system itself to maintain the stability of the power transmission capacity, the use of automatic excitation regulator device may reduce the reactance of the generator, and then further to maintain the transformer high-voltage bus voltage constant, so compensation not only its own reactor, but also compensation for the step-up transformer reactance, thus greatly improving the power limits of generators, which greatly increased the static stability of power system.

当电力系统的负载发生微小的扰动时，系统本身保持稳定送电的能力，使用自动励磁调节装置，则可减小发电机的电抗，再进一步维持变压器高压母线的电压恒定，这样不仅完全补偿了自身的电抗，而且还补偿了升压变压器的电抗，这样就大大提高了发电机的极限功率，即大大地提高了电力系统的静态稳定。

BUCK circuit for a buck or step-up transformer, the output voltage v0 is greater than or less than the average input voltage U opposite polarity, capacitance transmission.

BUCK电路一降压或升压变压器，其输出平均电压v0大于或小于输入电压U极性相反，电容传输。

The High-voltage bus grooves of GFM-2 series are mainly suited for electric link between the transformer and high-voltage distributor,Powersupply system of large factory or large mine,large transformer substation,power plant of large enterpraise providing power for themselves,electric link between the generator and step-up transformer.

GFM-2系列高压母线槽主要适用于变压器至高压配电盘之间的电气连接、大型厂矿的供电系统、大型变电站、大型企业的自备电厂中，发电机至升压变压器之间的电气连接。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"