Results 221 to 230 of about 29,405 (266)
Some of the next articles are maybe not open access.
Protecting IGBTs Against Short Circuit
EPE Journal, 1991SummaryInsulated Gate Bipolar Transistor(IGBTs)with the most rugged intrinsic short circuit performance generally have high saturation voltage and high operating losses, and vice versa.This application note demonstrates that IGBTs with even modest intrinsic short-circuit capability can be fully protected against short circuit, allowing the most ...
openaire +1 more source
Integrated IGBT short-circuit protection structure: Design and optimization
Microelectronics Journal, 2006Generally, short-circuit protections for IGBT are provided by the assistance of analogical discrete devices which can sense and protect. In this paper, we present a new NPT IGBT structure with integrated short-circuit protection. This structure is composed of an anode voltage sensor, a delay MOS transistor, a MOS transistor allowing IGBT turn-off and a
C. Caramel +4 more
openaire +1 more source
Integrated Equipment Short-Circuit Protection
IEEE Transactions on Industry and General Applications, 1971Electrical distribution equipment is usually an integrated assembly containing various components, each with short-circuit ratings obtained under individual conditions but perhaps not valid in the actual application. It is difficult to obtain and properly evaluate all the ratings to ensure that the equipment is adequate for the system available fault ...
openaire +1 more source
Short Circuit Protection: Challenges in the Early Years [History]
IEEE Power and Energy Magazine, 2021During the evening rush hour of 24 July 1903, New York City's Manhattan Elevated Railway experienced a shutdown that began in its 74th Street power station and quickly involved the entire system. This station, one of the most advanced of its time, had been in operation for only seven months.
openaire +1 more source
D-C machine flashover and bus short-circuit protection
Electrical Engineering, 1941The transient induced voltage across the interpole and compensating windings of d-c motors or generators on short circuit or flashover provide a quick and convenient means of actuating circuit breaker or other protective devices. Such means have made possible quicker tripping times than are obtained with the conventional series overload or reverse ...
T. B. Montgomery, J. F. Sellers
openaire +1 more source
Selection of short-circuit protection and control for Design E motors
Conference Record of 1998 Annual Pulp and Paper Industry Technical Conference (Cat. No.98CH36219), 1999The purpose of this article is to give users of Design E motors electrical application information concerning the selection of the appropriate motor disconnecting means, motor branch-circuit short-circuit protection, motor circuit conductor, motor controller and motor overload protection, and guidance concerning torque characteristics.
Birch DeVault +2 more
openaire +1 more source
New short-circuit protection for voltage regulator
Proceedings of First International Caracas Conference on Devices, Circuits and Systems, 2002This paper presents a new means to protect a simple voltage regulator using a FET instead of the conventional bipolar transistor. The scheme reduces the circuit's time response as well as its output current variations with temperature, while at the same time simplifies the overall circuit. Several laboratory tests, in conjunction with SPICE simulations
openaire +1 more source
Integrated coordination and short circuit analysis for system protection
IEEE Transactions on Power Delivery, 1992A coordinated set of data management and analysis programs, already in use at several major utilities in the USA, is presented. The programs are known as the computer-aided protection engineering (CAPE) system. CAPE consists of an integrated set of ten data management and analysis programs designed to assist protection engineers with their day-to-day ...
R. Ramaswami, P.F. McGuire
openaire +1 more source
Intelligent System Current Protection from Short Circuits
2019 International Conference on Industrial Engineering, Applications and Manufacturing (ICIEAM), 2019Currently, with the introduction of electrical smart grids, one of the main problems is to increase authenticity of the inclusion of relay protection devices during emergency modes. This is due to the fact that a short circuit current, and therefore, a setpoint, is affected by large number of external factors, such as humidity of the ground and the ...
P.V. Dikarev, A.A. Shilin, O.O. Ahmedova
openaire +1 more source
A 1.5-W short-circuit protected monolithic amplifier
1969 IEEE International Solid-State Circuits Conference. Digest of Technical Papers, 1969A fully short-circuit, fail-safe power amplifier fed via a single supply line ranging from 6 to 18 V, with a minimum of external components and operating in the military range of temperatures will be described.
P. Parmentier, J. Gaslonde
openaire +1 more source