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Multi-unit grid connection project
- Categories:Engineering case
- Author:
- Origin:
- Time of issue:2020-06-20 11:30
- Views:
(Summary description)The main function of the parallel cabinet is automatically paralleled to the unit's short-circuit, overload, overvoltage, reverse power and other faults. It has a full electronic protection system to make the generator run safe and reliable.
Multi-unit grid connection project
(Summary description)The main function of the parallel cabinet is automatically paralleled to the unit's short-circuit, overload, overvoltage, reverse power and other faults. It has a full electronic protection system to make the generator run safe and reliable.
- Categories:Engineering case
- Author:
- Origin:
- Time of issue:2020-06-20 11:30
- Views:
Information
The main function of the parallel cabinet is automatically paralleled to the unit's short-circuit, overload, over-voltage, reverse power and other faults. It has a full electronic protection system to make the generator run safe and reliable. The generator sets connected in parallel can automatically carry out active power load proportional distribution, and the distribution difference is not more than 10%. Automatic frequency tracking synchronous parallel connection.
1. The main function of the cabinet
Automatic paralleling has a fully electronic protection system for short-circuit, overload, overvoltage, reverse power and other faults of the unit to make the generator run safe and reliable.
The generator sets connected in parallel can automatically carry out active power load proportional distribution, and the distribution difference is not more than 10%.
Automatic frequency tracking synchronous parallel connection.
2. Advantages and disadvantages of parallel cabinets
1. Main advantages
1) After multiple units are connected in parallel, an appropriate number of units can be put in according to the network load to ensure that the units are operating in the best condition, which can save fuel and oil loss (the unit consumes fuel under 75% of the rated load) The lowest rate), so as to achieve the purpose of saving diesel and reducing power generation costs. It will bring obvious economic benefits to the enterprise.
2) After the units are connected in parallel, the quality of power supply is improved, and the voltage and frequency of the electrical equipment are stable, which can withstand the impact of large loads on the generator and reduce unit failures.
3) After the units are connected in parallel, it becomes a whole grid. After adopting centralized control, the power dispatching of the whole plant is flexible and convenient.
4) The safety advantage of automatic parallel connection and automatic distribution of active power without manual operation.
2. Disadvantages
1) A set of high-tech parallel-connected cabinets usually has a very low failure rate. Once a failure occurs, a professional maintenance company with certain technical personnel is required to repair it.
2) Large one-time investment.
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