Fault ride‐through strategy for hybrid HVDC with cascaded multi‐infeed MMC inverters
The hybrid HVDC with cascaded multi‐infeed MMC inverters suffers from the fragile characteristic of its MMC inverters and is easy to be over current and over voltage.
Jingbo Zhao +4 more
doaj +1 more source
Wind turbine control design to enhance the fault ride-through capability [PDF]
This paper presents a control strategy for wind turbines to enhance their fault ride-through capability. The controller design is based on pitch controlled variable speed wind turbine equipped with doubly-fed induction generator (DFIG).
Anaya-Lara, O. +2 more
core +1 more source
Control Strategy for Potential Vector Remolding Fault Ride-through in Grid-forming MMC [PDF]
[Objective] The operational characteristics of the grid-forming modular multilevel converter (MMC) in offshore wind power transmission systems under short-circuit faults in the receiving-end grid are unclear, and the interaction mechanism between fault ...
FANG Chaoxiong, TANG Yuchen, LIN Yi, SHEN Hao, PAN Chao, BIAN Xiaoyan, ZHAO Jinbin
doaj +1 more source
DC fault ride-through capability and STATCOM operation of a HVDC hybrid voltage source converter [PDF]
HVDC transmission systems are becoming increasingly popular when compared to conventional AC transmission methods. HVDC voltage source converters (VSC) can offer advantages over traditional HVDC current source converter topologies; as such, it is ...
Alan J. Watson +9 more
core +2 more sources
An alternative current-error based control for VSC integration to weak grid [PDF]
An enhanced current control strategy is proposed for voltage source converters for the integration to weak grids. The control derives from the current-error based vector control.
Chen, Dong +3 more
core +1 more source
Fault Ride-Through Characteristics of Small Wind Turbines [PDF]
There is significant potential for an increase in the use of kilowatt-class small wind turbines (SWTs) in Japan due to reduced limitations with respect to installation, despite their high cost. At this stage, the Japanese grid code has not been considered sufficiently with respect to grid-connected SWTs, and the addition of fault ride-through (FRT ...
Kondoh, Junji +2 more
openaire +1 more source
Wind turbines should have fault ride through capability, and also it can provide damping for the power grid by improving the control strategy. However, the currently corresponding control strategy is designed independent for the fault voltage through ...
Haiyan Tang +3 more
doaj +1 more source
Fault Ride-Through Capability Enhancement for Microinverter Applications [PDF]
Due to the fast growth of single-phase grid-connected photovoltaic (PV) systems, the existing grid codes are expected to be modified to guarantee the availability, quality, and reliability of the electrical system. Therefore, the future single-phase PV systems should become smarter and support low voltage ride-through (LVRT) capability, which are ...
Sajad Arab Ansari +3 more
openaire +1 more source
A Novel Control Strategy for AC Fault Ride Through in Multi-terminal DC System
This paper proposed a novel control strategy-coordinated DC voltage control (DCVC)-to enhance the AC fault ride through capability of multi-terminal high voltage direct current (HVDC) system.
YANG Zhou +3 more
doaj +1 more source
Comparison of current-limiting strategies during fault ride-through of inverters to prevent latch-up and wind-up [PDF]
Transient stability of a power network requires that generators remain synchronized and return to normal power export once a fault is cleared. For inverter-interfaced generators, one must ensure that current and voltage limiters do not latch-up and that ...
Bottrell, N, Green, TC
core +1 more source

