COGNEX VPM-8120X-5010 控制器模块

COGNEX VPM-8120X-5010 控制器模块

电气部分顺序控制主要由3个功能组组成：
（1）发电机—变压器功能组，它包括下列顺序控制子组项：
发—变组高压侧断路器及刀闸子组项：该子组项包括发—变组高压侧断器及高压侧Ⅰ母及Ⅱ母隔离开关等；
同期子组项：该子组项包括发电机同期系统，发电机的自动同期控制由电气专用装置(ASS)完成，DCS应留有操作窗；
励磁子组项：该子组项包括发电机励磁系统及AVR等。

（2）厂用电源功能组，它包括下列顺序控制子组项：
高压厂用电源子组项：该子项包括高压厂用工作及备用分支等；
低压厂用电源子组项：该子组项包括6kV所联接的厂用变压器的6　kV侧断路器、380V侧断路器及380V侧分段断路器等；
保安电源子组项：该子组项包括保安段的工作及备用进线的断路器、仪控变进线断路器及仪控分段断路器等；
厂用电快切子组项：该子组项包括厂用电正常快切装置功能。

（3）厂用公用及备用电源功能组，它包括下列顺序控制子组项：
高压启动／备用电源子组项：该子组项包括启／备变高压侧断路器、隔离开关及6kV侧断路器、启／备变有载调压开关等；
低压厂用公用段子组项：该子组项包括6kV所联接的变压器6kV侧断路器、380V侧断路器及380V侧分断路器等。

COGNEX VPM-8120X-5010 控制器模块

Electrical part sequence control is mainly composed of 3 functional groups:
(1) generator-transformer function group, which includes the following sequence control subgroup items:
High-voltage circuit breaker and cutter brake subgroup item: the subgroup item includes the high-voltage side breaker of the power-transformer group and the isolation switch of the high-voltage side I and II.
Synchronous subgroup item: the subgroup item includes the generator synchronous system, the automatic synchronous control of the generator is completed by the special electrical device (ASS), DCS should have an operation window;
Excitation subgroup item: The subgroup item includes the generator excitation system and AVR.

(2) Plant power supply function group, which includes the following sequence control subgroup items:
High voltage plant power supply subgroup item: the subitem includes high voltage plant work and standby branches, etc.;
Low-voltage plant power sub-group item: the sub-group item includes 6kV side circuit breaker, 380V side circuit breaker and 380V side segment circuit breaker of the 6kV connected plant transformer;
Security power sub-group item: the sub-group item includes the work of the security section and the circuit breaker of the standby incoming line, the instrument control variable incoming line circuit breaker and the instrument control segment circuit breaker, etc.;
Plant power quick cutting subgroup item: The subgroup item includes the normal plant power quick cutting device function.

(3) Plant utility and standby power functional group, which includes the following sequence control subgroup items:
High voltage start/standby power subgroup item: the subgroup item includes start/standby high voltage circuit breaker, isolation switch and 6kV side circuit breaker, start/standby on-load voltage regulator switch, etc.
Low-voltage plant common section subgroup item: The subgroup item includes 6kV transformer 6kV side circuit breaker, 380V side circuit breaker and 380V side branch circuit breaker connected to 6kV.

COGNEX VPM-8120X-5010 控制器模块

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