State Grid Jiangsu Electric Power Company

Other

State Grid Corporation of China

Nari Technology Co., Ltd.

Southeast University

Global Energy Interconnection Research Institute Co. Ltd

State Grid Beijing Electric Power Company

State Grid Jiangsu Electric Power Company Research Institute

State Grid Corporation of China Co., Ltd

Jiangsu Frontier Power Technology Co., Ltd.

Nanjing Chscom Electrical Technology Co., Ltd.

Global Energy Interconnection Research Institute North America

Global Energy Interconnection Research Institute

State Grid of China, State Grid Jiangsu Electric Power Co Ltd

State Grid Jiangxi Electric Power Co, Geirina

Haifeng Li

Di Shi

Zhiwei Wang

Xiao Lu

Chunlei Xu

Jijun Yin

Xueming Li

Lin Liu

Zhe Yu

Jianyu Luo

Zhenyu Chen

Gang Chen

Jianfeng Ren

Qing Chen

Ruisheng Diao

Kaiming Luo

Yishen Wang

Yunsong Yan

Haifeng Xia

Yingmeng Xiang

Shiming Xu

Jiangpeng Dai

Yefeng Jiang

Hao Chen

Li Zhang

Bei Zhang

Qiang Zhou

Feng Wang

Bin Yang

Xiao Chen

Shihai Yang

Cheng Li

Jie Fan

Qifeng Huang

Zhixin Li

Shuangshuang Zhao

Ning Wang

Zhehan Yi

Yong Xia

Yaohong Li

Siqi Wang

Zheng Wu

Qibing Zhang

Xiaohu Zhang

Haowei Zhang

Chengliang Wang

Mingfeng Xue

Lingying Huang

Qingshan Xu

Hongxing Wang

Minrui Xu

Yujun Lu

Wenguang Chen

Jiajia Cao

Desong Bian

Jiajun Duan

Yonggao Ge

Xiaofeng Wang

Xiaoying Zhao

Haiwei Wu

Shufeng Lu

Feng Xue

Chang Fu

Haiyun Han

Zuofeng Li

Jinhu Wang

The present disclosure generally relates to apparatus and methods for controlling ventilation and temperature around a light source. A ventilation and temperature control assembly configured to selectively facilitate air circulation in an enclosure around a light source is disclosed. In some embodiments, a temperature sensor may be disposed near the light source. The air circulation may be switched on and off according to temperature measurement of the temperature sensor. In some embodiments, the ventilation and temperature control assembly includes a valve to selectively open and close a flow path in the ventilation and temperature control assembly.

Apparatus and methods for vehicle lamp ventilation and temperature control

Systems and methods are disclosed for control voltage profiles, line flows and transmission losses of a power grid by forming an autonomous multi-objective control model with one or more neural networks as a Deep Reinforcement Learning (DRL) agent; training the DRL agent to provide data-driven, real-time and autonomous grid control strategies; and coordinating and optimizing power controllers to regulate voltage profiles, line flows and transmission losses in the power grid with a Markov decision process (MDP) operating with reinforcement learning to control problems in dynamic and stochastic environments.

Multi-objective real-time power flow control method using soft actor-critic

Systems and methods manage electrical loads in a grid by applying Robust principal component analysis (R-PCA) to decompose annual load profiles into low-rank components and sparse components; extracting one or more predetermined features; constructing a similarity graph; selecting submodular cluster centers through the constructed similarity graph; determining a cluster assignment based on selected centers; and applying the clustering assignment for load analysis.

Submodular load clustering with robust principal component analysis

Provided is a user side load response method based on adjustment and control on temperature of load clusters. The user side load response method includes: performing thermodynamic modeling on a temperature control load to obtain a temperature control model in direct load control; constructing a mapping quantity to describe the change state of a temperature control load relay switch; obtaining adjustable capacity of the temperature control load through the mapping quantity; introducing temperature control load clusters to solve the problem that control precision cannot satisfy condition requirements; and finally calculating the influence of each load cluster in different load cluster control schemes on comfort degree.

User side load response method based on adjustment and control on temperature of load clusters

A method for managing a power load of a grid includes performing a statistic-based distribution estimation of a composite load model using static and dynamic models with Gibbs sampling; deriving a distribution estimation of load model coefficients; and controlling grid power based on a simulation, a prediction, a stability analysis or a reliability analysis with the load model coefficients.

Bayesian estimation based parameter estimation for composite load model

Systems and methods are disclosed for power management by estimating power contingency of a grid at a cloud control center; performing decentralized real-time measurement and making local decisions at one more computer controlled outlets connected to the grid; and aggregating distributed loads to provide emergency frequency support to the grid.

Adaptive method for aggregation of distributed loads to provide emergency frequency support

Systems and methods are disclosed to control the power grid frequency by capturing the frequency change using an extended Kalman filter method with the distributed smart outlet devices at the low-voltage distribution level; and locally control the relay that provides power to the appliance by comparing the captured frequency with the threshold sent from the cloud control center.

Smart outlet system with fast frequency tracking for power system frequency control using distributed appliances

Provided is a battery energy storage grid-load interactive method, terminal, system and medium for superimposed control. The method includes: receiving, by the battery energy storage grid-load interactive terminal, a load shedding instruction sent by a master station; sending, by the battery energy storage grid-load interactive terminal, the load shedding instruction to the power conversion system to enable the power conversion system to switch the operating state of the power conversion system from a charging state or a standby state or a discharging state to a maximum power discharging state according to the load shedding instruction; and sending, by the battery energy storage grid-load interactive terminal, the load shedding instruction to the energy managing system to enable the energy managing system to control the power conversion system.

Battery energy storage grid-load interactive method, terminal, system and medium for superimposed control

Provided is an emergency accurate control method and system for large-scale interruptible loads. The method includes: acquiring, by a region control master station, a sheddable load sequence table; acquiring, by the region control master station, a first to-be-shed load; performing, by the region control master station, minimum under-shedding matching layer by layer according to the first to-be-shed load, and shedding a sheddable load corresponding to control substation matching with the first to-be-shed load; and sending, by the region control master station, a second to-be-shed load to the corresponding control substation for load shedding if the second to-be-shed load exists.

Emergency accurate control method and system for large-scale interruptible loads

Systems and methods are disclosed to control a power inverter by extracting photovoltaic (PV) maximum power under a plurality of operating conditions as one or more reference variables; predicting the future behaviors of a PV output voltage as one or more controlled variables based on a current operational condition; generating one or more control signals for the H5 inverter that minimizes an error between the reference variable and the controlled variables; and controlling the power inverter with the one or more control signals.

MPC-based PV maximum power point tracker for transformerless H5 inverter with leakage current reduction

Provided are a synchronization method, a wide area system protection apparatus, a plant station and a computer readable storage medium. The method includes: sending to a second plant station a first data frame that includes a sequence number p and a sending timestamp of the first data frame; receiving a second data frame sent by the second plant station, and recording a receiving timestamp of the second data frame, the second data frame including a sequence number q of the second data frame, a sending timestamp of the second data frame and a receiving timestamp of the first data frame, and the first data frame being adjacent to the second frame on the second plant station; calculating a time phase difference and a crystal oscillator frequency deviation between the first plant station and the second plant station; and adjusting time and a clock frequency of the first plant station.

Synchronization method and wide area system protection apparatus

Growing community of inventors

Nanjing, China

Haifeng Li