NR Engineering Co., Ltd

Chine

 
Quantité totale PI 266
Rang # Quantité totale PI 4 708
Note d'activité PI 3,1/5.0    203
Rang # Activité PI 3 425

Brevets

Marques

53 0
25 0
188 0
0
 
Dernier brevet 2024 - Module overvoltage protection ci...
Premier brevet 2012 - Method for generator subsynchron...

Derniers inventions, produits et services

2023 Invention Module overvoltage protection circuit. Provided is a module overvoltage protection circuit, which...
Invention Flexible alternating-current interconnection apparatus and startup control method. Provided in th...
Invention Thermal expansion compensation fiber optic insulator and method for using same. Disclosed in the ...
Invention Immersion energy storage battery thermal management system and fire control method. Disclosed in ...
Invention Battery energy storage system state-of-charge balance control method and apparatus. Disclosed in ...
Invention Adaptive suppression method and system for flexible direct-current high-frequency resonance. The ...
Invention Dual-converter parallel circuit and control method and device therefor, and direct current power ...
Invention Bridge arm circuit having capacitor-assisted turn-off, converter, method, apparatus, and system. ...
Invention Full-compensation arc suppression system and method based on adjustable reactance. Provided in th...
Invention Energy storage system structure for ac power grid interconnection and control method. The present...
Invention Method for determining direction of current in bridge arm of modular multilevel converter, and co...
2022 Invention Converter control system and method. The present application provides a converter control system ...
Invention Control method and control device for switching trigger angle of high-voltage direct current tran...
Invention Method and apparatus for suppressing broadband oscillation of converter, and electronic device an...
Invention Method and apparatus for discriminating consistency of receiving and sending delays of differenti...
Invention Water cooling system leakage monitoring method. A water cooling system leakage monitoring method,...
Invention Transformer state analysis method and system, device, and storage medium. The present application...
Invention Thyristor device tester. The present application aims to provide a thyristor device tester. The t...
Invention Converter control method and control system, computer device, and storage medium. smaxmax, a curr...
Invention Series-type multi-winding converter, direct current transformer, and control method. Provided are...
Invention Coordinated control method and system of distributed compensator, and computer device and storage...
Invention Multiport hybrid direct-current circuit breaker, apparatus, system, and control method therefor. ...
Invention Method and apparatus for handling direct-current side line fault of voltage source converter. The...
Invention Control method and system for island operation of vsc-hvdc system. The present application provid...
Invention Modular batch energy acquisition and commutation circuit and control method. A modular batch ener...
2021 Invention Direct current circuit breaker and control method therefor, and electronic device. Provided are a...
Invention Automatic closing bypass protection device of series power module and control method. The present...
Invention Distributed optical fiber temperature measurement apparatus and method used for transformer tempe...
Invention Flexible direct-current transmission line discharging method and apparatus, and storage medium. P...
Invention Active modular converter chain control method and converter control method. Provided in the prese...
Invention Method and apparatus for controlling distributed series compensator, and computer-readable medium...
Invention Control and protection system for distributed series compensator. Provided is a control and prote...
Invention Charging control method and device for hybrid converter. The present application provides a charg...
Invention Control system with crossed multi-ring-network redundant network topology structure. Provided are...
Invention Control method for direct-series module-type energy dissipation apparatus. Provided is a control ...
Invention Experiment device for power electronic module and control method therefor. The present applicatio...
Invention Wave head identification method and apparatus based on multi-scale wavelet transform. A wave head...
Invention Modular multilevel sub-module, valve tower, and alternating current withstand voltage test method...
Invention Control method and control apparatus for direct current voltage regulation unit. Provided in the ...
Invention Test system and test method for converter station in flexible direct current transmission. A test...
Invention Method and apparatus for automatically associating primary and secondary equipment models of smar...
Invention Fault redundancy control method for modular direct current energy consumption apparatus. A fault ...
2020 Invention Bidirectional energy balance converter chain, electric energy router, and control method. The pre...
Invention Ultra-high-voltage direct current high-end converter valve area grounding fault control method an...
Invention Interline power transfer apparatus applicable to multiple groups of multi-circuit lines. Provided...
2019 Invention Unidirectional dc voltage conversion device and system and method for controlling same. A unidir...
Invention Bipolar bidirectional dc converter, and control method and control device therefor. A bipolar bid...
Invention Multi-voltage level direct current grid system and control protection method. A multi-voltage lev...
Invention Compensator, control method and device therefor. Provided in the present application are a compe...
2018 Invention Converter control method and device. The invention relates to an island converter overload limit ...