Worker Electrical Engineering Technology Training Device

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Worker Electrical Engineering Technology Tr--ning Device,Platinum silk black degree testing experimental device

Tr--ning and tr--ning device of shipping electrical technology and electrical testing skills "is developed based on the practical skills required by the" Sea Ship Chigor Examination and Evaluation Outline "according to the" Sea Shipwell Witcher Examination and Evaluation Outline ". The tr--ning and skills assessment of the evaluation project "Ship Electric Industry Technology and Electrical Test" is suitable for tr--ning and teaching for ship -related majors. It can also be used as the skill assessment and evaluation equipment of various tr--ning institutions and skill appr--sal stations (institutes).

2. Technical performance

1. Input voltage: three -phase and four lines (or three -phase and five lines) ~ 380V ± 10% 50Hz

2. Working environment: The environmental temperature range is -5 ° C ~+40 ° C relative humidity <85%(25 ° C) altitude <4000m

3. Device capacity: <1.5kva

4. Dimensions: 1680mm × 805mm × 1620mm

Third, device equipment

1. AC power supply

(1) Provide a three -phase fixed 380V AC power supply, equipped with a three -phase pressure device (specifications of 1.5kva, 0 ～ 450V and single -phase 0 to 250V continuous adjustment). The AC power output place has overcurrent protection devices. Surgery, lines between lines and direct short circuit can be automatically protected. Equipped with a pointer AC voltage gauge. The switch is switched to indicate the three -phase power grid and three -phase regulatory output.

(2) Control the side of the screen with three -phase four -core four -core power socket and two fixed AC 220V multi -functional power sockets.

2. DC power supply

(1) Provide 0 ～ 30V and 1A adjustable voltage voltage power supply, with a soft -cut short -circuit protection and automatic recovery function, and has voltage output indication.

(2) Two high -voltage DC power supply: Provide 220V, 0.5A voltage voltage power supply and 0 ～ 250V, 3A continuously adjustable voltage voltage power supply, and have voltage output instructions.

(3) Provide a group of 90Ω × 2/1.3A and 900Ω × 2/0.41A porcel--n plate resistance.

3. Instrument and instrument

(1) A really valid value AC Digital Voltage Table: The measurement range is 0 to 500V, the volume is automatically judged, the automatic switching, the accuracy is 0.5, and the three -and -a -half number is displayed.

(2) A really valid value AC digital current table: measurement range of 0 to 5A, automatic judgment of range, automatic switching, accuracy of 0.5 levels, three and a half appeared, with excessive alarm, instructions and cutting off the total power supply function.

(3) One DC number shows a voltage table: measurement range of 0 to 600V, divided into four gear, 200mV, 2V, 20V, 200V, 600V, direct key to switch, three and a half numbers display, input impedance 10mΩ, accuracy 0.5 level, have some level, have some accuracy, have the accuracy, have levels, have some accuracy. Excessive alarm, instructions, and cutting off the total power supply.

Worker Electrical Engineering Technology Tr*ning Device(图1)

Worker Electrical Engineering Technology Tr--ning Device,Platinum silk black degree testing experimental device

Purpose:

Familiar with the experimental method of measuring the blackness of platinum silk, and quantitatively determine the black degree value of the surface temperature of the platinum silk at 100 ～ 500 ℃.

Glass experiment body, number display thermometer, circulating water tank, high -precision voltage voltage power supply, power measurement number display instrument

M--n configuration:

Experimental descriptions, number display thermometers, constant temperature water baths, circulating water pumps, high -precision DC voltage voltage power supply, millivolopter, number display DC voltage meter and current meter, and can be equipped with st--nless steel experimental desks, etc.

Technical Parameters:

1. Enter power supply: single phase AC220V ± 10% 50Hz, power 200W.

2. Temperature sensor: PT100, A -level, resolution 0.1 ° C.

3. Constant temperature water bath adjustment method: PID adjustment.

4. Platinum wire diameter: d = 0.2mm, and the experimental section length l = 100mm.

5. Voltage adjustment range: 2 to 8V; current adjustment range: 0.5 ~ 1.5A.

6. Dimensions: 500 × 300 × 400mm, the shape is st--nless steel bracket.

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