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沼气发电机组中并网的维护事项有哪些?

来源:http://www.huannengpower.com   发布于:2019-11-04

  人类和动物粪便、稻草、废水和其他有机物质在密封池,在厌氧(没有氧气)条件下发酵,各种各样的沼气发酵微生物转化,产生甲烷,稻草,人类和动物粪便污水和其他各种有机物在密封池、厌氧(没有氧气)条件下发酵,各种各样的沼气发酵微生物转化,产生沼气。在使用沼气发电机组时将其连接到电网运行,下面就来介绍一下沼气发电机组连接到电网的保护事项:

  Human and animal manure, straw, waste water and other organic substances are fermented in a sealed pond under anaerobic (no oxygen) conditions. Various biogas fermentation microorganisms are transformed to produce methane. Straw, human and animal manure sewage and other organic substances are fermented in a sealed pond under anaerobic (no oxygen) conditions. Various biogas fermentation microorganisms are transformed to produce biogas. When using the biogas generator set, connect it to the power grid for operation. Here are the protection items of the biogas generator set connected to the power grid:

沼气发电机组

  1. 短路保护:采用主回路低压断路器的电磁跳闸装置进行短路保护,工作电流设定为额定电流的8-10倍。

  1. Short circuit protection: the electromagnetic tripping device of the main circuit low-voltage circuit breaker is used for short circuit protection, and the working current is set as 8-10 times of the rated current.

  2. 过流保护:利用主电路低压断路器的延时跳闸,按发电机额定电流的1.25倍设置。

  2. Over current protection: use the delay trip of the low-voltage circuit breaker of the main circuit, and set it at 1.25 times of the rated current of the generator.

  3.欠压保护:主回路低压短路器应设有电压损失跳闸,当发电机电压低于额定电压的50%-60%时,主断路器断开。

  3. Undervoltage protection: the main circuit low-voltage short circuit breaker shall be provided with voltage loss trip. When the generator voltage is lower than 50% - 60% of the rated voltage, the main circuit breaker shall be disconnected.

  4. 逆功率保护:当并联运行时发生5%-15%额定功率的逆功率时,逆功率保护装置将使主断路器在10s内打开。

  4. Reverse power protection: when reverse power of 5% - 15% of rated power occurs during parallel operation, the reverse power protection device will open the main circuit breaker within 10s.

  5. 沼气发电机组热保护:当定子温度超过145℃时,发出声光报警信号,当温度超过155℃时,主断路器打开。

  5. Thermal protection of biogas generator set: when the stator temperature exceeds 145 ℃, an audible and visual alarm signal will be sent out, and when the temperature exceeds 155 ℃, the main circuit breaker will be opened.

  本文由沼气发电机组提供技术支持,更多的详细精彩内容请点击我们的官方网站http://www.huannengpower.com ,我们将会全心全意为您提供满意的服务。

  This paper is supported by biogas generator set. For more details, please click our official website http://www.huannengpower.com, and we will wholeheartedly provide you with satisfactory services.


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