HP 6033A电压下降

嘿所有，让我首先说我是一个完整的新手（我是一名机械工程师：/）。
我已经阅读了电源手册，我不明白为什么会这样。
基本上我试图用电源控制一个简单的直流电机。
12伏特和330毫安，完全在机器的范围内。
OVP设置为22.所以我已经用GPIB和前面板手动编程了机器。
我设置了我想要的一切，前面板读取12伏特和0.33安培。
然后我翻转开关连接电机。
电机运行大约半秒钟，电压就会下降。
电流保持不变但电压降至0.3 V.旋钮或VSET gpib命令的任何扭曲都不起作用。
显然我对电源的工作原理还不太了解，但这似乎是一个容易出问题的问题，并且没有任何意义可以解释为什么电压会下降。
任何帮助将不胜感激！编辑：theSeavenger于2012年3月24日下午1:28



     以下为原文

  Hey All,
Let me start by saying I am a complete novice at this (im a mechanical engineer :/ ).  Ive read the manual for the power supply and I dont understand why this is happening. Basically I am trying to control a simple DC motor with the power supply. 12 Volts and 330 MA, perfectly within the limits of the machine.  OVP set at 22.

So I have programmed the machine both with GPIB and on the front panel manually.  I set everything how I want it, the front panel reads 12 volts and 0.33 amps. Then I flip the switch to connect the motor.  The motor goes for about half a second and voltage just drops on the power supply. The current stays the same but the voltage drops to 0.3 V.  Any twisting of the knobs or VSET gpib commands do nothing.

Obviously I do not know enough about how power supplies work but it seems an easy problem and it does not make any sense why the voltage would drop. Any help would be greatly appreciated!

Edited by: theSeavenger on Mar 24, 2012 1:28 PM