ZOPDL-WBA Electric Power System Microcar Transformer Protection Experimental Device

Power system microcomputer transformers protection experiment table, transformer protection training device collection protection, measurement, control, monitoring, communication various functions in one. This device can not only be used as a platform for protection teaching experiments in power, electrical, and automated transformers.

This device is a microcomputer line protection experimental device developed based on the teaching content of " Power System Relay Protection", "Power Engineering", "Power Automation", "Power System Microcomputer Protection" and other courses, and combined with practical application and development in production. Through experiments, students can further understand the principles of microcomputer transformer protection in power systems, and master protection wiring and setting test methods. The device has a compact design, strong integrity, and complete protection device functions. It integrates multiple functions of protection, measurement, control, monitoring, and communication. This device can not only be used as a teaching experiment platform for professional transformer protection in the power, electrical , and automation categories, but also as a Students are familiar with and master power communication protocols and a variety of programming software hardware and software platforms. This device is also equipped with RS-485/Modbus-RTU communication interface and host computer monitoring software.

1. Safety protection system of the device

1. The m*n power supply is controlled by a three-phase key switch, and a three-phase illuminated fuse is provided as a phase f*lure indicator.

2. The power supply of the control panel is controlled by the contactor through the start and stop buttons.

3. The screen is equipped with a voltage-type leakage protection device and a set of current-type leakage protection devices. If there is leakage inside or outside the screen or strong current output, an alarm will be issued and the m*n power supply will be cut off to ensure the safety of the experiment.

4. The primary and secondary sides of the three-phase voltage regulator are equipped with overcurrent protection devices, which can automatically protect when there is overcurrent or direct short circuit between phases and lines.

5. Equipped with a timer and alarm recorder (service manager) to record the number of illegal uses and provide a unified standard for the assessment of students' experimental skills.

2. Experimental projects

1. Normal operation of the system and measurement experiment of unbalanced current

2. Simulated transformer gas protection experiment

3. Transformer current quick-break protection experiment

4. Microcomputer transformer longitudinal differential protection setting experiment

5. Second harmonic braking experiment of transformer

6. Transformer differential quick-break protection experiment

7. Three-winding transformer differential protection experiment

8. Y/Y-12 double winding transformer differential protection experiment

9. Y/△-11 double winding transformer differential protection experiment

10. Research experiments comparing ratio braking characteristics

11. Overcurrent protection experiment of double-winding transformer

12. Overcurrent protection experiment of three-winding transformer

13. Transformer low voltage starting overcurrent protection experiment

14. Transformer composite voltage starting overcurrent protection experiment

15. Zero-sequence protection experiment of operating transformer with neutral point directly grounded

16. Zero-sequence protection experiment of transformer operating with partial neutral point grounded

17. Overload protection experiment of double-winding transformer

18. Overload protection experiment of three-winding transformer

19. Y/△-11 double winding transformer overcurrent protection experiment——designed and assessed by students themselves

20. Y/△-11 double-winding transformer overload protection experiment - designed and assessed by students themselves

21. Comprehensive experiment on double-winding transformer protection - designed and assessed by students themselves

22. Three-winding transformer protection comprehensive experiment - designed and assessed by students themselves

23. Telemetry, remote control, and remote signaling experiments

3. Configuration list

serial number	name	Specifications and models	unit	quantity	Remark
1.	Practical tr*ning screen	ZRDL-WBA	set	1
2.	Tr*ning table	1600750750	set	1
3.	luxury computer desk	6006001200	set	1
4.	Microcomputer transformer protection device	RE-800	tower	2
5.	AC voltmeter	85L17	Only	3
6.	AC ammeter	6L2	Only	6
7.	Three-phase voltage regulator	1KW	tower	1
8.	Universal transfer switch	LW8-D	Only	2
9.	short circuit load		set	1
10.	Experimental wire	Safe	strip	several
11.	Current Transformer	custom made	Only	several
12.	voltage transformer	custom made	Only	several
13.	software	middle man	set	1

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