Switchgear and Protection Trainer

Description

Switchgear and Protection Trainer

Specification:

•Connection and study of the behaviour of a maximum current relay and short-circuit current relay in a three-phase network with different current values,
•Verification of trip time  Connections and study of the behaviour of a single-phase maximum or minimum current relay,
•Verification of trip time for maximum and minimum current Connections and study of the behaviour of a maximum or minimum DC relay,
•Verification of trip time for maximum and minimum current Connections and study of the behaviour of a maximum and minimum voltage relay in a three phase network with neutral,
•Verification of trip time for maximum and minimum voltage  Connections and study of the behaviour of a single-phase maximum or minimum voltage relay,
•Verification of trip time for maximum and minimum voltage Connections and study of the behaviour of a maximum and minimum DC voltage relay and frequency relay, verification of trip time for maximum and minimum voltage
•Connections and study of the behaviour of a phase sequence and voltage asymmetry relay in a three-phase network, verification of its operation with wrong sequence and in non-asymmetric conditions or missing phase
•Connections and study of the behaviour of a maximum current directional relay in a three-phase network, •verification of its operation with reverse current flow and as directional of maximum earth current
•Use of auxiliary relays as interface of protection relays for controlling high power flows  Use of auxiliary relays as interface for remote, optical/acoustic signalling of intervention of protection
•relays Use of timers with various time functions to increase the functionality of protection relays  •Determination of the transformation ratio of a TA with various primary currents and influence of load on the
secondary winding,
•Performance tests Connection of current transformers in three-phase networks
•Measurement of zero sequence current in a three-phase system Tests on a current step-up transformer
•Demonstration of the differential protection principle Determination of the transformation ratio of a TV with   various primary voltages and influence of load on the secondary winding, performance tests
•Connections of voltage transformers in three-phase networks
•Connections of open-delta voltage transformers in three-phase networks

Installed Components of Protection Relay Module:
The following set of modules should be installed for studying static protection relays and measuring transformers.
• 1 Module SR-1: 1 three-phase maximum current and short circuit relay, adjustment range 0.5- 2A/1-16A ac,   auxiliary power supply of 230V, 50Hz
•1 Module SR-2: 1 single-phase maximum or minimum current relay, adjustment range 0.1-5A/5- 25A ac/dc,   auxiliary power supply of 230V, 50Hz
•1 Module SR-3: 1 three-phase maximum and minimum voltage relay/N, adjustment range +10% / -15%,   380~400Vac, self-powered
•1 Module SR-4: 1 single-phase maximum or minimum voltage relay, adjustment range 2~500V ac/dc, auxiliary     power supply of 230V, 50Hz
•1 Module SR-5: 1 maximum and minimum frequency relay, 50Hz, adjustment range +10%, self powered at   230Vac
•1 Module SR-6: 1 phase sequence and voltage asymmetry relay for networks of 400V, asymmetry adjustment     range: 5~15%, self-powered at 400Vac

Accessories:
●Connecting Wire: 1 set
●User Manual: 1 Nos
●Standard Accessories

Others:

●Country of Origin: China
●Manufacturing: Assemble in Bangladesh
●Training