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Variable frequency and speed regulation technique has benefits of wide speed control range, high precision and good dynamic response. This case shows the magnetic field oriented based vector control method of a three-phase AC asynchronous motor. The field excitation components and torque components of the stator current are separated using coordinate transformation, and then the motor speed and flux can be decoupled and controlled independently.
keyboard_arrow_rightVariable frequency and speed regulation technique has benefits of wide speed control range, high precision and good dynamic response. This case shows the magnetic field oriented based vector control method of a three-phase AC asynchronous motor. The field excitation components and torque components of the stator current are separated using coordinate transformation, and then the motor speed and flux can be decoupled and controlled independently.
The flywheel energy storage system uses bidirectional converter to connect the high-speed rotating flywheel to the grid. It is divided into charging and discharging mode. This case shows the charge and discharge control method of the flywheel energy storage system.
keyboard_arrow_rightThe flywheel energy storage system uses bidirectional converter to connect the high-speed rotating flywheel to the grid. It is divided into charging and discharging mode. This case shows the charge and discharge control method of the flywheel energy storage system.
The DC microgrid can accept distributed energy resources (like wind, solar), energy storage unit, electrical vehicle and other power consumption devices in a more efficient and reliable way. This case provides DC microgrid simulation model of a single-phase AC-DC solid transformer, a photovoltaic inverter, an energy-storage converter, and the three-phase AC load.
keyboard_arrow_rightThe DC microgrid can accept distributed energy resources (like wind, solar), energy storage unit, electrical vehicle and other power consumption devices in a more efficient and reliable way. This case provides DC microgrid simulation model of a single-phase AC-DC solid transformer, a photovoltaic inverter, an energy-storage converter, and the three-phase AC load.
Doubly fed Induction Generator (DFIG) is the most commonly used wind generator type. It is composed of wound rotor induction machine, motor-side and grid-side converters, and its control system. In this case, the wound rotor induction machine is connected to the grid on its stator. On the rotor side, it accesses the grid through a back-to-back converter (average model).
keyboard_arrow_rightDoubly fed Induction Generator (DFIG) is the most commonly used wind generator type. It is composed of wound rotor induction machine, motor-side and grid-side converters, and its control system. In this case, the wound rotor induction machine is connected to the grid on its stator. On the rotor side, it accesses the grid through a back-to-back converter (average model).
ISO New England的IEEE-10机39节点标准测试系统。本算例支持潮流计算、电磁暂态计算、移频电磁暂态计算。支持从潮流断面稳态启动，支持长导线分网计算。
keyboard_arrow_rightISO New England的IEEE-10机39节点标准测试系统。本算例支持潮流计算、电磁暂态计算、移频电磁暂态计算。支持从潮流断面稳态启动，支持长导线分网计算。
Western Electricity Coordinating Council的IEEE-3机9节点标准测试系统。本算例支持潮流计算、电磁暂态计算、移频电磁暂态计算。支持从潮流断面稳态启动，支持长导线分网计算。
keyboard_arrow_rightWestern Electricity Coordinating Council的IEEE-3机9节点标准测试系统。本算例支持潮流计算、电磁暂态计算、移频电磁暂态计算。支持从潮流断面稳态启动，支持长导线分网计算。
MMC is the most popular topology for flexible DC power transmission. We have studied high-performance EMT model for MMC topology in different timescales while ensuring the simulation accuracy and improving the simulation efficiency.
keyboard_arrow_rightMMC is the most popular topology for flexible DC power transmission. We have studied high-performance EMT model for MMC topology in different timescales while ensuring the simulation accuracy and improving the simulation efficiency.
HVDC system consists of two converter stations and DC lines. It is connected to the AC system on its rectifier and inverter side. This case simulates the various dynamic processes of HVDC system, which can perform researches on control, protection, fault studies, and provide references for system design and operation.
keyboard_arrow_rightHVDC system consists of two converter stations and DC lines. It is connected to the AC system on its rectifier and inverter side. This case simulates the various dynamic processes of HVDC system, which can perform researches on control, protection, fault studies, and provide references for system design and operation.
Battery energy storage system template: 1. Detailed and average model are used to build models respecticely; 2. For the grid-connected inverter, use P-Q control for grid connection mode and V-F control for island mode. Switching is supported between charging, discharging in grid-connected mode as well as between grid and island mode.
keyboard_arrow_rightBattery energy storage system template: 1. Detailed and average model are used to build models respecticely; 2. For the grid-connected inverter, use P-Q control for grid connection mode and V-F control for island mode. Switching is supported between charging, discharging in grid-connected mode as well as between grid and island mode.
Photovoltaic cells and its grid-connected inverting system template: 1. Detailed and average model are used to build models respecticely; 2. V-Q and MPPT control are used in the grid-side converter to track and maintain power when environment changes.
keyboard_arrow_rightPhotovoltaic cells and its grid-connected inverting system template: 1. Detailed and average model are used to build models respecticely; 2. V-Q and MPPT control are used in the grid-side converter to track and maintain power when environment changes.
综合能源系统建模仿真平台主要面向区域电能、热能、太阳能、风能、电池与储能、天然气等多种能源系统，实现多种异质能源子系统之间的建模仿真，分析运行特性。平台由数据管理和建模仿真模块构成，数据管理模块可以对多种类型的基础数据进行录入和管理，建模仿真模块用于系统拓扑结构的搭建以及仿真计算结果的展示。
keyboard_arrow_right综合能源系统建模仿真平台主要面向区域电能、热能、太阳能、风能、电池与储能、天然气等多种能源系统，实现多种异质能源子系统之间的建模仿真，分析运行特性。平台由数据管理和建模仿真模块构成，数据管理模块可以对多种类型的基础数据进行录入和管理，建模仿真模块用于系统拓扑结构的搭建以及仿真计算结果的展示。
Based on the New England system, a number of generators are replaced with CIGRE standard DC transmission models to make an AC-DC hybrid power system. Droop control is adopted for both the generators and the HVDC systems to ensure the coordinated control and frequency stability.
keyboard_arrow_rightBased on the New England system, a number of generators are replaced with CIGRE standard DC transmission models to make an AC-DC hybrid power system. Droop control is adopted for both the generators and the HVDC systems to ensure the coordinated control and frequency stability.
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