The invention relates to a method (100) for operating a device having an electrochemical energy store, an electronic high-voltage switch and a DC protection circuit which is connected in parallel to the electronic high-voltage switch, the invention relates to a method for controlling a DC protection circuit comprising a series circuit consisting of at least one thyristor overvoltage protection member and at least one varistor, comprising the following steps: closing (110) the electronic high-voltage switch, in which a current flows between the electrochemical energy store and an attached load, monitoring (120) the current by means of an electronic controller, in which the current is controlled by means of a voltage regulator, and the current is controlled by means of a voltage regulator. Detecting if the current exceeds a threshold value, opening (130) the electronic high-voltage switch in accordance with the detected threshold value exceeding such that the current flows through the DC protection circuit, and opening (130) the electronic high-voltage switch in accordance with the detected threshold value exceeding such that the current flows through the DC protection circuit. A cut-off voltage of the at least one thyristor overvoltage protection component and of the at least one varistor and a blocking current of the thyristor overvoltage protection component are exceeded (140) such that the at least one thyristor overvoltage protection component becomes low ohm, the pulse energy generated by the opening of the electronic high-voltage switch is converted (150) into heat by means of the varistor, which is lower than (160) the holding current of the at least one thyristor overvoltage protection means such that the at least one thyristor overvoltage protection means is blocked.
本发明涉及一种用于运行设备的方法(100),所述设备具有电化学储能器、电子高伏特开关和DC保护电路,所述DC保护电路与所述电子高伏特开关并联连接,其中,所述DC保护电路包括由至少一个晶闸管过电压保护构件和至少一个压敏电阻组成的串联电路,所述方法具有下述步骤:闭合(110)所述电子高伏特开关,其中,电流在所述电化学储能器与附接的负载之间流动,借助电子控制器监控(120)所述电流,其中,检测所述电流超过阈值的情况,根据检测到的超过阈值,打开(130)所述电子高伏特开关,使得电流流动通过所述DC保护电路,超过(140)所述至少一个晶闸管过电压保护构件的和所述至少一个压敏电阻的截止电压和所述晶闸管过电压保护构件的闭锁电流,使得所述至少一个晶闸管过电压保护构件变得低欧姆,借助所述压敏电阻将通过所述电子高伏特开关的打开而产生的脉冲能量转换(150)为热量,低于(160)所述至少一个晶闸管过电压保护构件的保持电流,使得所述至少一个晶闸管过电压保护构件阻断。
Method for operating device having electrochemical energy store and device of this type
用于运行具有电化学储能器的设备的方法和这种类型的设备
2024-04-09
Patent
Elektronische Ressource
Chinesisch
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