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Control Method for Overvoltage Suppression Across the DC Capacitor …
This paper proposes a control method for the initial charge of the dc-capacitor in voltage-source power converters. The proposed method is suitable for the power converter …
New Setup for Overvoltage Test of Shunt Capacitors
Keywords: Overvoltage test, Shunt capacitors, IEC 60871-1. 1 Introduction Overvoltage test is a type test performed according to IEC 60871-1 [1] on the capacitors
Overvoltage Suppression in Initial Charge Control for DC Capacitor ...
This paper proposes an improved overvoltage suppression method for the initial charge of the dc capacitor in voltage source power converters.
Overvoltage Suppression in Initial Charge Control for DC Capacitor ...
Abstract: This article proposes an improved overvoltage suppression method for the initial charge of the dc capacitor in voltage source power converters. The proposed method …
PROTECTION TECHNIQUE FOR TRANSIENT OVERVOLTAGE DUE …
Switching transients, generated during energizing and de-energizing operations of capacitor banks can damage the capacitor itself and other sensitive components in the network. To …
voltage
Relying on a capacitor to fail in an overvoltage condition in order to protect some other equipment is a bad design practice. Capacitors may fail open, short, or somewhere in between; …
How to control and protect capacitor banks before something …
The purpose of a capacitor bank''s protective control is to remove the bank from service before any units or any of the elements that make up a capacitor unit are exposed to …
Over-Voltage: Typical Variable Speed Drive Faults and How to ...
For example, ABB''s ACS880 series drive uses an algorithm called Overvoltage Control, which attempts to reduce the generating torque to keep the DC bus voltage below the …
Operation of the over-voltage protection.
This paper presents the review study on protecting power factor correction (PFC) capacitors bank from overvoltage generated by odd harmonics and system resonance. A capacitors bank is …
Resonance overvoltage control algorithms in long cable …
The experimental results show that the algorithm can effectively control the resonance overvoltage phenomenon in the long cable frequency control system, and the …
A Control Method of Overvoltage Suppression across the DC Capacitor …
This paper proposes a control method of initial charging of the dc-capacitor in voltage source power converters. The proposed method is suitable for the power converter …
Protection of Capacitor Bank Against Switching Transients: An
solutions to control switching transients during capacitor bank operation. In this paper, the economical growth, as well as the efficient way of capacitor bank utilization, is …
DISTRIBUTION SOLUTIONS Technical Application Papers No. 23 …
Fig. 5: ABB SIKAP: a compact solution for MV capacitor banks Since loads fluctuate, capacitor bank switching-in and off operations are frequent, and occur at least daily. …
A Control Method of Overvoltage Suppression across the DC …
The proposed method makes a leg short-circuit by using power devices in the power converter, which discharges the dc capacitor and suppresses its overvoltage due to the initial charge. …
New Setup for Overvoltage Test of Shunt Capacitors
In this case it is simulated that in the steady state CB1 is closed and voltage 1.1·U n is applied on shunt capacitor. Then, CB1 opens 3 ms prior to voltage zero crossing …
Effective overvoltage control for capacitor bank switching …
and multiple-bank (back-to-back) capacitor switching applications. Pre-insertion inductors are more effective than controlled-closing schemes and pre-insertion resis-tors for: • Limiting …
Switching Overvoltages in Power Systems
When capacitor banks for voltage regulation are placed in a substation, the switching devices interrupt a mainly capacitive load when operating under normal load conditions. The current …
DISTRIBUTION SOLUTIONS Technical Application Papers No. 23 …
20 2.4 The ABB DS1 synchronous capacitor switch 25 3. Comparison among different switching technologies for capacitor banks 32 4. Impact of overvoltage on …
A Control Method of Overvoltage Suppression across the DC Capacitor …
The proposed method makes a leg short-circuit by using power devices in the power converter, which discharges the dc capacitor and suppresses its overvoltage due to the initial charge. …
PROTECTION TECHNIQUE FOR TRANSIENT OVERVOLTAGE DUE TO CAPACITOR …
Switching transients, generated during energizing and de-energizing operations of capacitor banks can damage the capacitor itself and other sensitive components in the network. To …
capacitor
What are good methods to protect the capacitor from overvoltage? One idea I had was to put a Zener clipper on the AC input, and …
An Inductor-Based and Capacitor-Free Bipolar Pulse Converter …
The inductor-based and capacitor-free bipolar pulse converter can be applied to electric vehicle charging and realize an efficient and reliable charging-control strategy. Inductor …
capacitor
What are good methods to protect the capacitor from overvoltage? One idea I had was to put a Zener clipper on the AC input, and then construct the multiplier to not exceed …
Overvoltage Suppression in Initial Charge Control for …
This paper proposes an improved overvoltage suppression method for the initial charge of the dc capacitor in voltage source power converters.