As a countermeasure, the decoupling impedance between the primary-side converter cells should be maximized, which in is achieved by minimizing the series resonant capacitor and thus maximizing
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To address the gate driving challenge, this paper contributes with the design of an integrated package of high-voltage semiconductor devices and
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This paper presents a current source resonant inverter (CSRI) employing a custom designed power module utilizing 1700V SiC MOSFETs for
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A 10kV bus PT breakdown accident caused by two-phase grounded is mainly introduced in this paper. Firstly, the bus voltage variation is analyzed when two-phase grounded occurs. Then, the
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The superior material properties of the wide bandgap silicon carbide (SiC) semiconductors enable excellent device characteristics such as low on-resistance, high breakdown voltage, fast
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Therefore, studying the ferromagnetic resonance overvoltage of electromagnetic voltage transformers in low-voltage distribution networks is crucial to improving the safe and stable operation
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The DC circuit breaker (DCCB) is the core equipment for ensuring the safe and stable operation of the DC transmission system. It often requires high response times.
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Request PDF | On Jun 1, 2017, Fan Zhang and others published Design and demonstration of a SiC-based 800-V/10-kV 1-MW solid-state transformer for grid-connected photovoltaic systems | Find, read
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The resonance voltage is the lowest in the frequency division resonance region, and the resonance can be triggered if the system fluctuates slightly under the normal rated voltage.
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A simple and comprehensive test scheme is proposed to thoroughly test phase leg based on 10 kV SiC MOSFETs, especially operation under high dv/dt and its resulting noise.
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Request PDF | Comprehensive Modeling, Optimization and Experiment of 10 kV/15 kA Forced Resonant DC Circuit Breaker | The DC circuit breaker (DCCB) is the core equipment for
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Figure 2(b) is the LLC operation waveforms. Vab, iLr, ioL are the voltage between a and b, resonant current and LLC output current, respectively. The Vab is equal to Vin when Q3 turns on and the Vab
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Due to the 34th resonance at the 35kV bus at the distance of 26.3km from the main transformer, the 34th harmonic current and voltage amplification phenomenon in
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AC Resonant Test Systems are particularly beneficial in scenarios where the load is predominantly capacitive with minimal loss. This includes applications such as
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Based on the analysis of the reasons for the use of static var generator in the power grid and the existing conditions of even harmonic, the impedance
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To deal with the issue,the model of two bus-TVs in parallel operation is built up by ATP-EMTP,and the suppression effect of different resonance eliminator installation programs on over-voltages and over
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Procedures for limiting and nonadmission of ferroresonance overvoltages and overloads of the equipment are proposed.
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When the lead wires of a inductive potential transformer (PT) of a distribution network are overlapped with electricity, ferro-resonance often occur, which will cause serious damage to the
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However, one of the least understood yet commonly observed problems is the humming or vibration of capacitor panels — especially when
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Industrial processes which use induction and dielectric heating are still relying on resonant converters based on vacuum tubes. New emerging medium-voltage silicon carbide (SiC)
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Abstract Industrial processes which use induction and dielectric heating are still relying on resonant converters based on vacuum tubes. New emerging medium-voltage silicon carbide (SiC)
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Test system and test object form a series resonant circuit that guarantees a pure sinusoidal waveform of the test voltage due to physics. In case of failure, only minimal damage may occur due to the limited
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<p>Simultaneously imposed challenges of high-voltage insulation, high d<i>v</i>/d<i>t</i>, high-switching frequency, fast protection, and thermal management associated with the adoption of 10 kV
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When a large-area power outage caused by 10kV bus fault occurs in distribution network, the dispatchers transfer the lost load by experience, which will lead to a large area blackout. So a
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Abstract: A 10kV bus PT breakdown accident caused by two-phase grounded is mainly introduced in this paper. Firstly, the bus voltage variation is analyzed when two-phase grounded occurs.
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Extreme power density & efficiency ≫ & Provides stiff input voltage for the second stage Does not participate in resonant operation
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When a large-area power outage caused by 10kV bus fault occurs in distribution network, the dispatchers transfer the lost load by experience, which will lead to
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A DC circuit breaker is piece of core equipment for DC grid construction and can achieve fast isolation of DC faults in the grid. In this paper,
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The main application for the AC resonant test system is the AC withstand testing after the cable system has been installed. This test is often combined with PD diagnosis on cable joints and terminations.
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