Results 211 to 220 of about 5,009,115 (304)
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Impedance Differential Protection for Active Distribution Network
IEEE Transactions on Power Delivery, 2020The current differential protection is introduced into the active distribution network to improve the selectivity and reliability of protection. However, it is difficult to meet the synchronous requirement of differential protection for distribution ...
Guobin Chen, Yiqing Liu, Qifan Yang
exaly +2 more sources
Adaptive Current Differential Protection Schemes for Transmission-Line Protection
IEEE Transactions on Power Delivery, 2009Throughout the history of power system protection, researchers have strived to increase sensitivity and speed of apparatus protection systems without compromising security. With the significant technological advances in wide-area measurement systems, for transmission system protection, current differential protection scheme outscores alternatives like ...
Sanjay Dambhare +2 more
exaly +3 more sources
Frequency-based current differential protection for VSC-MVDC distribution lines
International Journal of Electrical Power and Energy Systems, 2020The current of line distributed capacitance might affect the performance of current differential protection, which becomes more serious in DC systems. This paper proposes the frequency-based current differential protection for VSC-MVDC distribution lines
Yiping Luo, Ke Jia, Tianshu Bi
exaly +2 more sources
Power transformer differential protection with integral approach
International Journal of Electrical Power and Energy Systems, 2020This paper presents a new approach to differential protection of power transformers with use of the integral principle. The required criteria signals are calculated directly from the operational and restraining currents in particular phases.
D. Bejmert +5 more
exaly +2 more sources
Microgrid Differential Protection Based on Superimposed Current Angle Employing Synchrophasors
IEEE Transactions on Industrial Informatics, 2023The inclusion of multi-energy distributed generators (DGs), especially inverter-interfaced generators, presents challenges in the microgrid's protection strategy and operational constraints.
Gagandeep Singh Dua +2 more
semanticscholar +1 more source
Power Differential Protection for Transformer Based on Fault Component Network
IEEE Transactions on Power Delivery, 2023Current differential protection has been widely used as the primary protection of transformers. However, inrush currents during transformer energization can cause misoperation of the protection when the second harmonic restraint algorithm fails.
F. Peng +5 more
semanticscholar +1 more source
An Enhanced Differential Protection Scheme for LVDC Microgrid
IEEE Journal of Emerging and Selected Topics in Power Electronics, 2022The low-voltage dc (LVDC) microgrid possesses numerous benefits and their penetration in the power system has increased rapidly in recent years. However, the detection of faults in the LVDC microgrid is a challenging issue due to the large magnitude of ...
Abha Saxena, N. K. Sharma, S. Samantaray
semanticscholar +1 more source
IEEE Transactions on Power Delivery, 2022
When current differential protection is applied to an AC transmission line, synchronous sampling at the two ends is required. The use of GPS synchronization increases the difficulty and cost of project implementation while the use of ‘ping-pong ...
Shiming Liu +4 more
semanticscholar +1 more source
When current differential protection is applied to an AC transmission line, synchronous sampling at the two ends is required. The use of GPS synchronization increases the difficulty and cost of project implementation while the use of ‘ping-pong ...
Shiming Liu +4 more
semanticscholar +1 more source
Advanced Transformer Differential Protection Under GIC Conditions
IEEE Transactions on Power Delivery, 2022This paper presents an advanced differential protection scheme for protecting transformers during geomagnetic disturbance (GMD) conditions and the flow of geomagnetically induced current (GIC) in the transformer.
Babak Ahmadzadeh-Shooshtari +1 more
semanticscholar +1 more source
IEEE Transactions on Smart Grid, 2021
The uncertainty in the direction and magnitude of fault current is a thorny issue for active distribution network (ADN) protection. Current differential protection (CDP) is suitable for ADN with complex operating modes and multiple types of DGs. However,
Chenghan Zhou +3 more
semanticscholar +1 more source
The uncertainty in the direction and magnitude of fault current is a thorny issue for active distribution network (ADN) protection. Current differential protection (CDP) is suitable for ADN with complex operating modes and multiple types of DGs. However,
Chenghan Zhou +3 more
semanticscholar +1 more source