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A. Overview

"DLWD-ETBE Series Electrical Technology Know-how Training Series" have obtained 10 patents

and have been ranged to "China  good practical patent". It was selected as the most  potential gold

patent  project by  Hongkong  International Patent  Technology  Patent Products  Exposition.  The

inventor  has  been recorded  into  "Contemporary  world  outstanding  scientific  and  technology

experts. Also the introduction of inventor was recorded by "The dictionary of Chinese Celebrities"

"DLWD-ETBE Electrical  Technology Know-how Training  Series" are a  modern signal products

of  school  training  room.

This  set  is  also  the  top  choice  of  "Theory  practice  teaching",

"Curriculum teaching", "Modular teaching" and "Project teaching" promoted by school.

B.Parameter

1.Dimension:1600×800×1680mm(W×D×H) single side for two students.

2.Training platform and cabinet

Aluminium   structure,electrostatic   painting,with   regulator   on   table   leg,   height-adjustable,

stable,fire-proof desk.

3.Screen

The screen  is Aluminium  structure,with aluminium  slide to  hang metal patch  board.It also  can

place electricity,electric,electric traction and AC/DC modular.

4.Patch board

It is advantage than fixed components device.

a)Better on technical expanding without restriction.

b)Avoiding repeating input,reduce equipment investment

c)Close to industry scene

d)Layout and design flexible,Cultivate the student's creativity.

e)

Practicing students operating ability

The  stainless  plate  which  we  used  is  imported  from  Germay,completely high strength,easy

operation and beautiful apprearance.Punching acording to DIN standrd.CNC  punching machine is imported from Japan,special model from Wilson.

Avoid  material  extension  deformation,surfacing,high   precision.  The   tolerance  is 1um per meter.The outer  dimension is 640×730mm.The  hole  patch board is according DIN standard  to assure all kinds of components fixed on any place.

It can be used for  training various electrical skills,installation technic,fault  analysis.It also can be used for electric and electricity assessment  and skill test. The experiment circuit can be simple  or manifold  as  required.  All  general  lighting  circuit,closed-cycle   automatic  control,  Automatic system intergrated can be installed on patch board.The patch board have long life for more than 10

years.

C.Training content(components need to purchase)

1.Lighting power and indoor line;

Lighting control;

Single switch control;

Double switch control;

Time delay switch and imming switch control;

Multiway   switch   control;

Installation   of   lighting circiut;

Plastic   sheath   wiring;

Slot wiring;

Installation  of power  distribution equipments;

Safe  method;

Single-phase  watt-hour meter wiring;

Open circuit;

2.Power  lines;Installation  of power  lines;

Spoolwiring;

Crane  span structure

wiring;Installation of three-phase watt-hour meter;

Application of circuit mutual inductor;

Three-phase,three-wire watt-meter wiring;

Three-phase,four-wire watt-meter wiring  ;

3.Motor   forward  control  circuit;Inching   forward  control   circuit;

Contactor  self-lock forward control circuit;

Contactor with overload protection self-lock forward   control circuit

Inching and continuous mixing forward control circuit ;

4.Three-phase asynchronous motor

positive  inversion  control circuit  ;

Current  reverser positive reversion  control  circuit;Contactor

interlocking   positive  revision   control   circuit;

Button  interlocking   positive   revision  control circuit;

Button  and contactor  double interlocking  positive revision  control circuit;Stroke control circuit;

Sequence  control  circuit;Many  place control  circuit;5.Three-phase  asynchronous  motor reduced voltage  starting control  circuit;Stator winding  series resistance reduced  voltage starting control circuit.;

Manual control compensator

reduced voltage starting control circuit;

Button,contactor,Intermediate   relay   compensator   reduced   voltage starting   controlcircuit;

Timing relay auto-control compensator reduced voltage startingcircuit;

Manual control  reduced voltage  staring control  circuit;

Button,contactor control  reduced startingcircuit;

Time relay auto control reduced starting circuit;

Edge reduced starting circuit;

Rotor  Series  three-phase  resistance  starting  control  circuit

Button  operation  series  resistance

starting control  circuit;    

Time relay auto  control circuit;    

Current relay  auto control  circuit ;

Rotor winding series frequency sensitive rheostat starting controlcircuit;

Wound rotor asynchronous  motor cam shaft control  circuit;

6.Three-phase asynchronous motor

braking   control   circuit;

Electromagnetic   braking    control   circuit;

Inversed   grafting   control circuit