Relay protection

Part 1 book "The electric power engineering handbook - Power system stability and control" includes content: Transformer protection, the protection of synchronous generators, transmission line protection, system protection, digital relaying, use of oscillograph records to analyze system performance, systems aspects of large blackouts, ower system stability, transient stability, small signal stability and power system oscillations, voltage stability, direct stability methods, power system stability controls.

211p dianmotminh03 17-06-2024 1 0   Download

Part 1 book "Power supply devices and systems of relay protection" includes content: Basic components, secondary power supplies, battery chargers, uninterruptable power supply.

168p dianmotminh03 11-06-2024 2 1   Download

Part 2 book "Power supply devices and systems of relay protection" includes content: Lead–acid accumulator batteries; systems for supervision of substation battery continuity; backup of substation DC auxiliary power systems; insulation problems in substation dc auxiliary power supply; voltage disturbances in auxiliary power supply.

87p dianmotminh03 11-06-2024 4 1   Download

Part 2 book "Electrical transformers and power equipment" includes content: Disconnecting devices, fuses, lightning or surge arresters, protective relays - design and construction, protective relays - operation and maintenance, storage batteries, reactors, capacitors, rectifiers, instruments.

323p dianmotminh01 20-05-2024 5 2   Download

Part 1 book "Power system stability and control" includes content: Power system stability and control, the protection of synchronous generators; transmission line protection; system protection; digital relaying; use of oscillograph records to analyze system performance; transient stability; small signal stability and power system oscillations; voltage stability.

155p dianmotminh01 20-05-2024 3 2   Download

Part 1 book "Newnes electrical power engineer’s handbook" includes contents: Introduction, principles of electrical engineering, materials for electrical engineering, measurements and instrumentation, generators, transformers, switchgear, fuses and protection relays.

267p dianmotminh01 17-05-2024 8 5   Download

Part 1 book "Newnes electrical engineer’s handbook" includes content: Introduction, principles of electrical engineering, materials for electrical engineering, measurement and instrumentation, generators, transformers, switchgear, fuses and protection relays.

225p dianmotminh01 17-05-2024 9 6   Download

In this article, the authors present new models of protection that allow to simulate the overcurrent relay, instantaneous overcurrent relay and differential relay by using Matlab/Simulink. Initially, a methodology that presents how to build a library, including the different models and their communication architectures. Secondly, a case study in 220 kV transmission systems is selected as an example for fault simulation and relay testing for each relay model and the coordination protection.

13p dianmotminh02 03-05-2024 7 3   Download

Part 1 book "Transmission and distribution electrical engineering" includes content: System studies, drawings and diagrams, substation layouts, substation auxiliary power supplies, current and voltage transformers, insulators, substation building services, earthing and bonding, insulation co ordination, relay protection, fuses and miniature circuit breakers, cables.

453p dianmotminh00 22-04-2024 13 5   Download

Part 1 book "Transmission and distribution electrical engineering" includes content: System studies, drawings and diagrams, substation layouts, substation auxiliary power supplies, current and voltage transformers, insulators, substation building services, earthing and bonding, insulation co ordination, relay protection, fuses and miniature circuit breakers, cables, switchgear.

538p dianmotminh00 22-04-2024 8 4   Download

In this paper, we present the applicability of network topology, network media, configuration TCP/IP on PC, PC tools and the challenges of different IED manufacturers when their goose messages are published or subscribed in slightly different ways.

6p vilexus 05-10-2022 21 5   Download

This paper presents the coordination of Permissive Over-Reaching Transfer Trip (POTT) interlock function of SEL 311L relay for power transmission lines to reduce the fault clearing time compared to the traditional calculation method.

5p visherylsandber 04-07-2022 21 3   Download

Trong nghiên cứu này, một phương pháp tối ưu điều phối bảo vệ (OCPCO-Over-Current Protection Coordination Optimization) dành cho hệ thống bảo vệ của một LĐPP có tích hợp nguồn DG sẽ được giới thiệu.

24p kequaidan11 16-04-2021 32 6   Download

This trend has attracted increasing concerns from both academia and industry. This paper addresses how physical layer security can protect secret data compare with the traditional cryptographic encryption and which is the better cooperative relaying scheme with the state of the art approached methods in wireless relaying beamforming network.

9p vivirginia2711 09-12-2020 14 2   Download

This paper investigates a cognitive radio network where a secondary sender assists a primary transmitter in relaying primary information to a primary receiver and also transmits its own information to a secondary recipient. This sender is capable of jamming to protect secondary and/or primary information against an eavesdropper and self-powering by harvesting radio frequency energy of primary signals. Security capability of both secondary and primary networks are analyzed in terms of secrecy outage probability.

27p nguathienthan9 08-12-2020 6 1   Download

The designed and constructed device detects and automatically corrects phase reversal with the use of electrical circuit involving electromagnetic contactor incorporating timer relay at the heart of the controller. In addition, it also incorporates under/over-voltage and phase failure protection. This is to ensure that connected loads operate within their manufacturers’ specified voltage limits and also are protected against any damage that could result in the event of a phase loss.

10p cleopatrahuynh 01-06-2020 18 0   Download

The coordination of the protection of the current relay is more necessary than the others in order to occur short circuit occurs in the field. No widespread damage occurred in its electricity and existing industrial equipment. To maintain the condition of the electric power system in optimum absence, a re-study of the coordination of current relational protection in PT Indocement Tunggal Prakarsa, Tbk Plant 12. This final project will discuss coordination analysis of overcurrent relay protection at PT.

8p lucastanguyen 28-05-2020 5 0   Download

The document Switchgear and protection present: protective relaying; electromagnetic relasys; differential protection; distance protection; generator protesction; induction motor protection; transformer protection; carrier aided protection and static relays; theory of arc quenching; circuit breakers; power system earthing; protection against overvoltage. Invite you to refer.

397p cao_duy_son 05-08-2019 25 2   Download

The paper establishes and assesses the performance of a numerical relay SEL387 model concerning the protection of the 115/24kV transformer at Lang Co Substation by Matlab/Simulink. The paper also calculates the setting value of two actual slope characteristics (O87P = 0.3, U87P = 10, SLP1 = 25%, SLP2 = 50% and IRS1 = 3).

5p vidanh95 12-12-2018 17 1   Download

(bq) part 2 book "wiring manual 2011" has contents: contactors and relays, motor-protective circuit-breakers, circuit-breakers, all about motors, export to world markets and north america; standards, formulae, tables.

319p bautroibinhyen19 02-03-2017 39 4   Download