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警告:高电压能造成人身伤害或死亡。 发电设备必须在运转中出现高电压和高电流时进行测试和/或调节。 不适当的测试设备可能失效,并会出现危及用户的高压电击。 应确保测试设备能在高电压和高电流下正确运转并进行测试。 在维护或修理发电设备时:
不遵守这些警告,可能会导致人身伤亡。 确保在转子、定子和发电机中的剩余电压已放电。 |
对发电机的作业完成后,应以以下一般准则为指导:
- 对发电机进行作业前,必须理解操作原则。
- 发电机是一种恒速装置。 RPM 变化会导致端子电压变化。 当 rpm 超出额定 rpm(5% - 10%)时,端子电压可能超出额定输出电压(5% - 10%)。 当 rpm 小于额定 rpm(5% - 10%)时,端子电压可能小于额定输出电压(5% - 10%)。
- 发电机热量因电路电流产生。 电路电流增加时,发电机温度升高。
- 仪器不会精确显示发电机的 kVA 负载(包括电流表、功率表和电压表)。 这归因于负载的功率系数。
Caterpillar Information System:
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