VFD Trainer with Motor (VPL-SVFD)
Siemens brand VFD & Motor will be provided in the trainer kit.
Features:
- 2HP Variable Frequency Drive with 3 phase, 440V(±6%),50Hz(±3%)supply.
- Drive & Motor should be from same brand only
Specifications:
- 9 Digital Inputs
- 2 Analog Inputs
- 3 Digital Outputs
- 2 Analog Outputs
- RS 485 Communication port
- Must be compatible with external SIEMENS PLC (already installed).
- Load type-Adjustable belt drive (Brake drum/Pulley) with heat suppression facility.
Open-loop/closed-loop control techniques:
- V/f (linear, square law, free, FFC (flux current control)
- ECO (Encoder less torque control)
- Field-oriented control of speed and torque with encoder
Software Functions:
- Signal interconnection with BICO technology
- Automatic restart after line supply
- Failure or Operational fault
- Positioning down ramp
- Slip compensation
- Free function blocks (FFB) for logic and arithmetic operations
- Ramp smoothing
- 3 selectable drive data sets
- 3 selectable command data sets (CDS) (manual/auto)
- Flying restart
- JOG
- Technology controller (PID)
- Thermal motor protection
- Thermal inverter protection
- Set point input
- Motor identification
- Motor holding brake
- Vdcmax controller
- Kinetic buffering
- Braking functions for
- DC braking
- Compound braking
- Dynamic braking
- Shaft Encoder
- 550 PPR / Proximity sensor
- Projected Shaft / Geared Teeth
- A, B, Z
- PNP Type, 24V
Mechanical Structure
- MS structure (5’x3’)
- Aligned installation of AC motor and Shaft encoder
- Electrical terminal strip
- Electrical Panel
- VFD mounting
- Loading Arrangement
Experiments:
- Study of variable frequency drive and its control and power wiring.
- Study of AC drive parameters
- Interfacing AC drive with digital inputs
- Interfacing AC drive with analog inputs.
- Study of V/F control modes of operation of AC drive with load.
- Study of Encoder interfacing with VFD.
- Study of starting, acceleration, deceleration, braking, jogging and protection.
- Study of Speed-Torque characteristics of VFD with load and without load.

