焦化发电机组可以实现多组并联。发电机组并联运行是一种常见的技术手段，旨在提高电力系统的可靠性和灵活性。对于焦化发电机组而言，同样可以通过并联控制器等设备实现多台发电机组的并联运行。

Coking power generation units can achieve multiple parallel connections. Parallel operation of generator sets is a common technical means aimed at improving the reliability and flexibility of power systems. For coking power generation units, parallel operation of multiple units can also be achieved through devices such as parallel controllers.

在实现焦化发电机组并联时，需要注意以下几点：

When implementing parallel connection of coking power generation units, the following points should be noted:

参数匹配：确保参与并联的发电机组在电压、频率、相序、功率等参数上相匹配。这是实现并联运行的基础，可以避免因参数差异导致的电流不平衡、功率波动等问题。

Parameter matching: Ensure that the generator sets participating in parallel are matched in terms of voltage, frequency, phase sequence, power, and other parameters. This is the foundation for implementing parallel operation, which can avoid problems such as current imbalance and power fluctuations caused by parameter differences.

接线正确：将多台发电机组分别接入同一个接线盒，并确保接线正确无误。在接线过程中，需要遵循电气安全规范，确保接线的牢固性和可靠性。

Correct wiring: Connect multiple generator sets to the same junction box and ensure correct wiring. During the wiring process, it is necessary to follow electrical safety regulations to ensure the firmness and reliability of the wiring.

并联控制器：使用并联控制器进行发电机组的并联控制。并联控制器可以自动同步各发电机组的输出电压和频率，实现负荷的均分和稳定运行。同时，并联控制器还具备数据测量、报警保护及远程监控等功能，可以提高系统的安全性和可维护性。

Parallel controller: Use a parallel controller for parallel control of the generator set. Parallel controllers can automatically synchronize the output voltage and frequency of each generator set, achieving load sharing and stable operation. At the same time, the parallel controller also has functions such as data measurement, alarm protection, and remote monitoring, which can improve the safety and maintainability of the system.

检查与测试：在并联运行前，需要对各发电机组进行单独测试，确保其性能正常。并联运行后，还需要定期检查各发电机组的运行状态和参数，确保系统的稳定运行。

Inspection and testing: Before parallel operation, each generator unit needs to be tested separately to ensure its normal performance. After parallel operation, it is necessary to regularly check the operating status and parameters of each generator set to ensure the stable operation of the system.

综上所述，焦化发电机组可以通过合理的参数匹配、正确的接线、使用并联控制器以及定期的检查与测试等措施实现多组并联运行。这不仅可以提高电力系统的可靠性和灵活性，还可以降低运行成本和维护难度。

In summary, coking power generation units can achieve multi group parallel operation through reasonable parameter matching, correct wiring, use of parallel controllers, and regular inspection and testing measures. This can not only improve the reliability and flexibility of the power system, but also reduce operating costs and maintenance difficulties.

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