Technical Specifications:
Training Contents:

•  Single Phase Transformer:
•  Measurement of the single-phase transformer ratio and parameter by no-load and short circuit experiment
•  rawing out of the T type equivalent circuit diagram according to parameters to be measured from no-load and short circuit experiment
•  Measurement of the running characteristic of transformer by resistive / inductive /capacitive load experiment
•  Parallel operation of transformer (polarity discrimination, parallel two transformers)
•  Three Phase Transformer:
•  High / Low voltage winding discrimination, primary / secondary polarity measurement
•  Measurement of the three-phase transformer ratio and parameter by no-load and short circuit experiment
•  Three phase transformer Y-Y12 connection
•  Three phase transformer Y-Y6 connection
•  Three phase transformer Y-Δ11 connection
•  Three phase transformer Y-Δ5 connection
•  Voltage vector diagram of three phase transformer under different connections
• Features and Technical Specification:
•  This trainer should be designed to meet the operational training of electrical transformer, covering a variety of training topics for single phase and three phase characteristics, as well as parametric measurement
•  The frame should adopt standard aluminum profile with modular experiment panel design, thus, making it easy to build different experiment combination on the flexible twolayer structure
•  All the upper parts should be removable including the experiment module, power supply module and frame support
•  All terminals should led out on printed composite panel with 4mm safety socket and connected by full sealing sheathed pluggable connector
•  The complete unit should be movable with lockable truckles on bottom
•  Mobile aluminium experiment stand:
•  High compressed chipboard tabletop & baseplate
•  Solid impact-resistant protective edging
•  Minimum 6 extruded aluminium profiles with 8 grooves
•  Minimum 3 H-shaped profiles for panel organization
•  4 swivelling casters, 2 have brakes
•  Table & upper frame part are separable for easy delivery
•  Cable holder should be attached to side column for at least 48 cable pcs
•  Three phase power supply:
•  RCCB and momentary pushbutton with lamp, green / red
•  Key switch, 1NO/NC and AC contactor
•  Input CEE socket, output 4mm safety socket
•  Three phase voltage regulators:
•  1KW regulator, 0 ~ 450V, 0 ~ 250V variable output
•  Indicating lamp R/G/Y
•  Output voltage monitoring meter x3
•  Selective input and output voltage display
•  Single phase transformer 1.0:
•  PN = 77W, UN = 220V/55V, IN = 0.35A/1.4A
•  Transformer x3
• With all terminals led to colorized 4mm safety socket
• Three phase transformer 1.0:
•  PN = 200W, UN = 220V/55V, IN = 0.52A/2.09A
•  With all terminal led to colorized 4mm safety socket
•  Power & Power factor meter 1.0:
•  Single phase active power meter, digital, 0 ~ 1000W x2
•  Power factor meter, digital, 380V/5A
•  With all terminal led to colorized 4mm safety socket
•  AC voltmeter & AC ammeter 2.0:
•  Voltmeter digital AC 0 ~ 450V x3
•  Ammeter digital AC 0 ~ 3A x3
•  With all terminal led to colorized 4mm safety socket
•  Standard size available for frame insertion
•  Capacitive load 1.0:
•  Fuse protector 3A x 3
•  3-fold capacitors of 1uF/2uF/4uF/6uF
•  With all terminal led to colorized 4mm safety socket
•  Inductive load 1.0:
•  Auto former regulator 0 ~ 250V with fixed inductor group x3
•  Inductance value 1H, adjustable, 0.48A
•  Fuse protectors x3
• With all terminal led to colorized 4mm safety socket
•  Resistive load 1.0:
•  Double-linked resistor x3
•  Each with variable range 0 ~ 900Ω, 0.41A
•  Fuse protector x6

Accessories:

•  Safety whole sealing cable: conductor cross section: 16AWG tinned copper wire, 3kV, 20A, with axial socket
•  Experiment guidebook
•  Wiring instruction map
•  Warranty: 1(One) year with services
•  Documents: Manufacturer's Authorization Letter with contact details should be submitted
•  ISO Certificate and Catalogue should be submitted
•  Installation, Testing and Commissioning: Should be performed by bidder’s qualified and experienced engineers
•  Training: Training by bidder’s qualified and experienced engineers at DTTTI premises should be provided