Nanjing University of Posts and Telecommunicatins

State Grid Electric Power Research Institute Co., Ltd

State Grid Jiangsu Electric Power Company

Nari Technology Co., Ltd.

State Grid Electric Power Rerearch Institute Co. Ltd

Crrc Zhuzhou Institute Co., Ltd.

Jianbo Luo

Dong Yue

Tao Han

Chunxia Dou

Yanman Li

Xiaohua Ding

Zhijun Zhang

Kun Huang

Wenbin Yue

Xiao Lu

Jijun Yin

Jianyu Luo

Qing Chen

Xueming Li

Kaiming Luo

Yunsong Yan

Yanyong Li

Zheng Wu

Xiaofeng Wang

Wenye Liu

Jinfeng Yang

Jiaxi Hu

A source-grid-load-storage networked collaborative frequency control method is disclosed, which comprises acquiring total active power ΔP to be regulated during a secondary frequency regulation process of a power grid; performing frequency regulation by source-grid-load-storage of the power distribution system, allocating power regulation capacities, and determining whether the desired total active power is met after the frequency regulation; if the desired total active power is met, determining whether power of power generation units is out of limit; if the power of the power generation units is not out of limit, keeping active power of the power distribution system in balance to complete frequency regulation of the power grid; if the power of the power generation units is out of limit, correcting the power regulation capacities of the power generation units of the source-grid-load-storage and compensating a power difference to keep the active power of the power distribution system in balance.

Source-grid-load-storage networked collaborative frequency control method

Disclosed are an emergency control method and system based on source-load-storage regulation and cutback. According to the method, output power of power generating sources is regulated according to a power regulating quantity and a frequency regulation requirement, an output power compensation and output frequency of each power generating source are maintained within permissible ranges, so that a balance between power supply and demand of a power distribution network is maintained; and standby energy-storage power stations are used to make up a power gap, and an external power supply system is used to assist in making up a power deficiency, so that large load disturbance can be handled make up the power gap.

Emergency control method and system based on source-load-storage regulation and cutback

A multi-timescale voltage regulation method based on source-grid-load-storage multi -terminal collaboration of a power distribution network is disclosed, which comprises: establishing, based on a Petri network, a multi-mode switching control model based on voltage security event trigger to realize effective control of a global voltage; establishing multi-objective optimization taking into account a source-storage-load regulation cost and a network transmission loss to realize collaborative and dynamic control of controllable resources of a source terminal, a load terminal and a storage terminal in each operating mode; and establishing a source-storage-load multi-terminal collaboration-based distributed voltage control model based on voltage security event trigger over a short timescale by taking into account the problems of voltage magnitude being out of limit and voltage leap, and solving online an optimal control sequence of the source terminal, the load terminal and the storage terminal in a receding horizon.

Long, short and multi-timescale voltage regulation method based on source-grid-load- storage multi-terminal collaboration of power distribution network

A networked control method for primary frequency regulation of a new energy power station based on a source-grid-load-storage networked cloud decision control system platform comprises: determining, according to historical operating data of a new energy power station, primary frequency regulation predictive values of power generation units of the new energy power station; determining, according to the primary frequency regulation predictive values, optimal control sequences of inverters of the power generation units at different times based on a pre-established inverter active power model, wherein the optimal control sequences comprise multiple control quantities of active power of the inverters; marking the optimal control sequences at the different times with time scales, sending the optimal control sequences to executing devices of the power generation units, receiving the optimal control sequences, and determining whether to store or not store the optimal control sequences; and determining the control quantities to be executed.

Networked control method for primary frequency regulation of new energy power station

Provided is an accurate load shedding system and method based on a power-dedicated wireless network. The system includes: a control master station layer, a control substation layer and a terminal user access layer. The control master station layer includes a control master station apparatus and an optical/E1 conversion device. The control substation layer includes an optical/E1 conversion device, a control substation apparatus and a wireless access device. The terminal user access layer includes a wireless core network, a base station and a control terminal. The wireless access device is connected to the wireless core network through Ethernet. The wireless core network is connected with the base station through an optical fiber. The control terminal is connected to a wireless network of the base station through customer premise equipment (CPE).

Accurate load shedding system and method based on a power-dedicated wireless network

Growing community of inventors

Jiangsu, China

Jianbo Luo