MR258E Electrical Protection Training Panel Engineering Teaching Equipment Troubleshooting Training System Automatic Trainer I. Product overview 1.1 Overview Through training and teaching, students can be familiar with the causes of various electrical accidents and practical operational measures to prevent electrical accidents, so that students can understand electrical accidents, attach importance to electrical accidents, improve on-site accident prevention and resolution of electrical accidents, and enable students to learn a variety of commonly used The way of security protection. 1.2 Features (1) The training platform adopts an aluminum profile column frame structure, and the measuring instrument and the training power supply are built-in and integrated, which is convenient to use and not easy to damage. (2) Modular structure, complete configuration, can be used in combination to complete the training content of a variety of courses. (3) It has a good safety protection system. All strong current terminals use safety plug-in terminals to prevent contact and electric shock, and the overall reliable grounding protection. Once leakage occurs, the power supply can be quickly cut off for protection. II. Performance parameters (1) Input power: single-phase three-wire system 220V±10% 50Hz (2) Dimensions: 1600mm×550mm×1000mm (3) The capacity of the whole machine: <2.0KVA (4) Weight: <100kg (5) Working conditions: Ambient temperature -10℃～+40℃ Relative humidity ＜85% (25℃) III. Product composition 3.1 Training table The desktop of the training table is made of fireproof board veneer, which is strong and wear-resistant, beautiful and clean. 3.2 Power box (1) Single-phase three-wire power input, controlled by a leakage circuit breaker, equipped with an emergency stop control button. In an emergency, press the emergency stop button and the circuit breaker will cut off the power supply. (2) Equipped with power indicator light, power output socket and safety type power output terminal. The power box unit of the training station is shown in the figure below The power box panel configuration of the training station is as follows: (1) Power supply unit (2) IT power supply network (3) TT power supply network (4) TN-C-S power supply network (5) 2P circuit breaker (6) Power indicator (7) AC2220V power output terminal 3.3 Hanging box module 1. Leakage voltage module FV-1 2.FV-2 3.FI-1 4.Pulsating DC Module FI-2 5. Leakage current module FI-3 6. Transformer module TR-1 7.TR-3 8.PW-1 9. Human test model HM-3 10. Voltage and current meter module (HM-4) 11. Grounding resistance module PB-1 12. Load module (LD-1) 13. Load module LD-4 14. Load module LD-5 15. Load module LD-6 16. Load module LD-7 17. Load module LD-8 18.HM-1 19.HM-2 3.4 Supporting device (1) Electrical cable (2) Multimeter V. Can complete the training content 5.1 Protective insulation test (1) Measurement of insulation resistance (2) Test of insulation performance (3) Insulating medium experiment 5.2 Low-voltage protection experiment (1) Test of safety voltage (2) Transformer characteristic test 5.3 Grounding protection experiment (1) Types of grounding protection (2) Use of ground rod (3) Grounded power system and ungrounded power system (4) Multi-point grounding network (5) Measurement of grounding resistance (6) Use and test of grounding rod 5.4 Current-type protection experiment (1) Application of zero sequence transformer (2) Current type leakage circuit breaker protection (3) Fault overcurrent protection 5.5 Voltage type protection experiment (1) Zero voltage protection experiment (2) Overvoltage protection experiment (3) Voltage type leakage circuit breaker protection experiment 5.6 Circuit resistance detection experiment (1) Measurement of circuit resistance (2) Detection of line resistance
