ZOPWTS-01 Crystal Tube DC speed regulating system experimental device

The DC speed regulating system experimental desk of the crystal gates, DC speed regulation control training device has a expansion interface, leakage protection and special fault setting box, which can form a single -closed loop with a static DC speed regulating control system, which can be based on teaching and assessment. Randomly set up fault points.

The device adopts a universal small-capacity thyristor DC speed regulating circuit. The m*n circuit is a single-phase bridge half-controlled structure. The system adopts voltage negative feedback and current positive feedback control, and has a current cutoff negative feedback link and a series differential correction network. This device complies with the latest national "Occupational Standards" and the latest "Practical Tr*ning Equipment Industry Standards" issued by the Ministry of Labor and Social Security of the People's Republic of China, and is suitable for all types of secondary vocational and technical schools. It is used in the teaching tr*ning of labor tr*ning and skill appr*sal units and the intermediate/advanced practical assessment and skill appr*sal of m*ntenance electricians . The device needs to have an expansion interface, leakage protection and a special fault setting box. It can provide its own unit to form a single closed-loop DC speed control system with static difference, and fault points can be randomly set according to the requirements of teaching and assessment.

●Technical performance

1. Input voltage: three-phase four-wire (380V±10% 50Hz)

2. Working environment temperature range: -10℃~+40℃ Relative humidity <85% (25℃) Altitude <4000 meters

3. Device capacity: ≤1.5kVA

2. Basic configuration of the device

1. DMO1 power control panel

(1) AC power supply: three-phase ~ 380V power supply (with output short-circuit protection).
(2) DC power supply: 220V/0.5A DC excitation power supply, which provides excitation power for the DC generator with digital display.
(3) Measuring instruments
1) One AC voltmeter: It can be switched by the band switch below to indicate the three-phase grid input line voltage, with an accuracy of 1.0.
2) One DC voltmeter: Mirror precision pointer type DC voltmeter (± 300V, accuracy level 1.0
3) One DC ammeter: precision pointer type DC ammeter with mirror (±2A, accuracy level 1.0)
(4) Fault setting box: no less than 10 fault points can be set.
(5) Personal safety protection system: voltage-type leakage protector, current-type leakage protection device, tr*ning cables and sockets. There are single-phase three-pole 220V power sockets and three-phase four-pole 380V power sockets on both sides of the control panel. w*t.
2. DM02 Tr*ning Table
The tr*ning table is made of iron with a double-layer matt dense spray-p*nted structure. The tabletop is made of waterproof, fireproof, and wear-resistant high-density board. It has two large drawers for placing tools, storing parts and materials, etc. It is also equipped with four universal wheels and four fixed adjustment mechanisms for easy movement and fixation.
3. DQ03-1 st*nless steel motor guide r*l, 1024 optical code disk speed measurement system and intelligent digital display tachometer

Including Japanese Omron 1024 photoelectric encoder, intelligent digital display tachometer and st*nless steel guide r*l for fixing the motor. The st*nless steel guide r*l has good flatness, no stress deformation, fine processing, good concentricity, and good interchangeability. It can ensure that the concentricity deviation between motors does not exceed ±5 wires. The motor operates with low noise. The experimental parameters are typical and can Better meet experimental requirements.

4.DQ09 DC shunt motor

5. DQ07-1 DC generator

6. DQ26-1 resistive load box

7. ZR07 Experimental Cable

Experimental connection lines: According to the characteristics of different experimental projects, two different experimental connection lines are equipped. The high-power part adopts a high-reliability sheathed structure pistol plug connection line (there is no possibility of electric shock), and the inside is made of oxygen-free copper wire. The h*r-thin multi-stranded wire is ultra-soft and covered with a nitrile polyvinyl chloride insulation layer, which has the advantages of softness, high voltage resistance, high strength, anti-hardening, and good toughness. The plug is made of solid copper jacket The beryllium light copper shrapnel makes the contact safe and reliable; the weak current part adopts elastic beryllium light copper exposed structure connecting wire. Both types of wires can only match the sockets with corresponding inner holes, which greatly improves the safety and rationality of the experiment.
3. Technical performance
1. Input power supply: three-phase four-wire (380V+_1 0% 50Hz)
2. AC power supply: single-phase AC220V 50Hz
3. Rectified output voltage: DC 180V
4. Maximum output current: DC2A
5. Excitation voltage: DC180V
6. Speed adjustment range: D=10
7. Static difference rate S is less than or equal to 10%
8. Working environment temperature range -10℃ to +40℃ Relative humidity less than 85% (25℃) Altitude less than 4000 meters
9. Device The capacity is less than or equal to 1.5KVA
4. Practical tr*ning projects that can be completed by this device
1. Familiar with the principles and uses of single-junction transistors
2. Debugging and measurement of single-junction transistor trigger circuit
3. Operation tr*ning of single closed-loop DC speed control system with static difference
4. Measurement of parameters of single closed-loop DC speed control system with static difference
5. Troubleshooting of Single Closed Loop DC Speed Control System with Static Difference