Zhejiang Electric Power promotes load batch control technology

Zhejiang Electric Power promoted load batch control technology, and completed relevant deployment and testing
.
This means that load batch control technology has been fully promoted
in State Grid Zhejiang Electric Power.

Batch control of dispatching load, that is, multiple circuit breakers related to the power limit load are preset in the smart grid dispatching control system, and the power limit is executed in batches under the condition of abnormal accidents to achieve the function
of quickly controlling the load limit target.

This technology can select power supply lines of different plants and stations and different voltage levels according to the scheduling requirements, and quickly cut off hundreds or even thousands of load switches
in a short time through one-key execution.
The whole operation can be completed in a few minutes, which has the advantages
of fast pulling speed and small impact range.

Batch control technology of dispatching load is regarded as the last line
of defense to deal with power grid emergencies and ensure power grid security.
In 2016, the construction of technical means to promote load batch control was included in the annual task
of key work of dispatching and control by the State Grid Corporation.
According to the company's unified deployment, State Grid Zhejiang Electric Power will complete the deployment
of 5 local surveys before the end of the year.

The operation characteristics of Zhejiang Power Grid are becoming increasingly complex, and the risks of safe and stable operation continue to increase, which puts forward new requirements
for regulation and control capabilities.
At the beginning of 2016, State Grid Zhejiang Electric Power investigated the power grid group control system and negative control system in Hangzhou, Shaoxing and Jinhua, and compiled corresponding technical and management standards
.
State Grid Zhejiang Electric Power adheres to the principle of "pilot first, comprehensive deployment", and has successively developed and constructed load batch control functions in the integrated regulation and technical support system of provincial regulation side, 11 local adjustment side and all county adjustment side, and gradually improved system safety and intelligence
.

At present, State Grid Zhejiang Electric Power has exceeded the quota and completed the deployment and testing of the load batch control function of the dispatching end of 11 local dispatchers in advance, and introduced the batch control sequence of UHVDC accidents with 4 million kilowatt load according to the government-approved accident power limit sequence table and the power supply capacity limit sequence
table of the power grid.
At the same time, the function of selecting the line and pulling the road according to the 500 kV supply area is added, so that the batch control of the load is more accurate, which is the first time
in China.

In the next step, State Grid Zhejiang Electric Power will continue to test the load batch control function in an all-round way, improve relevant safety measures, and add new magic weapons
to meet the peak summer and fully consume clean energy.