Training bench for neutral regime Vocational Training Equipment

ST1101 Training bench for neutral regime Vocational Training Equipment 

I.Product overview

1.1 overview

This system can simulate the process of the neutral regional electricity system, so that students have a primary intuitive understanding of industrial safety electricity. To cultivate the students’ corresponding knowledge and skills, suitable for the teaching and skills training assessment of higher vocational colleges, vocational schools, secondary vocational schools and technical schools.

1.2 features

(1) training platform adopts aluminum frame type structure, measuring instrument and load module uses the way of hanging box installation, training power built-in integrated installation, each unit with flexible, easy to use, not easy to damage. The bottom is equipped with universal wheel, which can be moved flexibly.

(2) the experimental circuit and devices are fully configured and can be used in combination to complete the training contents of a variety of subjects.

(3) the training platform has a good security system.

1.3 performance parameters

(1) neutral zone test rig: all aluminum alloy structure, the shape size 600*600*1800mm (L*W*H).

(2) rated voltage: 3 x 230 V / 400V; Frequency: 50 Hz; Security terminal: Ø 4 mm.

(3) power box unit: aluminum profile panel structure, power supply parts embedded installation, each module is installed on the aluminum alloy panel, the connection is convenient.

Domestic wiring part with ground, outdoor surge arrester, network TN/TT:

Rated voltage: 3 x 230 V / 400V

Frequency: 50 Hz

Safety socket: Ø 4 mm

Dimension: at least 297 x 456 x 80 mm mounted on wheels

Synoptic with domestic installation schema

Reproducing domestic installation with circuit breaker protection

Reproducing installation protected by inner and external surge arrester.

Ground circuit connection with possibility to switch principle compensation lines wiring

Ground measuring by several methods

Faults simulator with 12 faults possibilities

Energy distribution part of consummation installation

Rated voltage: 3 x 230V/400V

Frequency: 50 Hz

Safety socket: Ø 4 mm

Dimension: at least 297 x 456 x 80 mm mounted on wheels

At least 4 circuit breaker (1 differential circuit breaker 10 mA, 2P type A, 1 differential circuit breaker 30mA 4P type B, 1single phase circuit breaker 10A min, 3ph circuit breaker 16A min )

Allows to:

Control  and measure structure of different regimes (TT and TN) in single phase and 3phase network

Measure release characteristic of a circuit breaker

Measure insulation resistance and loop resistance.

Fault simulator with 25 possibilities at least

Protection part in IT system

Rated power: 400V/50Hz

Principle power switch 3P with circuit breaker 16A

Optical signalization with light indicator (at least 3 light indicators)

Insulation controller 1 … 110 kOhm

Fault simulator

1.4 Feature

(1)Synoptic with domestic installation schema

(2)Reproducing domestic installation with circuit breaker protection

(3)Reproducing installation protected by inner and external surge arrester.

(4)Ground circuit connection with possibility to switch principle compensation lines wiring

(5)Ground measuring by several methods

(6)Faults simulator with 12 faults possibilities

1.5 complete experiment

(1) IT power supply network experiment

(2) TT power supply network experiment

(3) TN power supply network experiment

(4) ground experiment of household wiring,

(5) experiment of outdoor electric surge arrester

(6)Protection accessories selection in different circuits (single phase and 3phases)

Evaluation and display of measuring value (at least insulation resistance, loop impedance, release time, fault current and tension)

(7)The bench must be mounted on a basis with wheels and composed by 3 parts:

1.6 Measuring device: provided with the training set which allows to measure insulation resistance, loop impedance, release time, default current and voltage)