Electric traction drive

Block appearance in REPEAT VISION

 The Electric traction drive block consists of the Electric drive and Rotary moment of inertia blocks.

1. The Electric drive block creates electromagnetic torque and electrical power. It can operate in two modes:

• Motor (energy consumption).

• Generator (energy return during recuperation).

2. Block Rotary moment of inertia — calculates the acceleration and deceleration of the shaft under the action of the total torque.

3. Power sensors measure instantaneous electrical power in the electric drive.

Key properties and parameters:

1. Viscous friction — sets the magnitude of the braking torque, which is linearly dependent on the shaft rotation speed.

2. Regenerative Braking is the mode activation flag. A value of -1 means the drive switches to generator mode during braking, regenerating energy.

3. Energy calculation — net energy consumption (in kW·h) is determined by integrating the instantaneous electrical power with a coefficient of 1/3600.

1.  Properties

Property	Default Value	Description	Units of measurement
Maximum torque	250	–	N·m
Maximum angular velocity	940	–	rad/s
Rated power	60	–	kW
Efficiency	0.9	–	r.u.
Minimum voltage	1	–	В
Filter’s time constant	0.1	–	s
Shaft inertia	0.04	–	kg \(\cdot\) m\(^2\)
Viscous fricton coefficient	0.01	–	N·m·s/rad
Regenerative Braking (ON = -1, OFF = 0)	0	–	–

2.  Inputs and outputs

Parameters	Input/Output	Description	Units of measurement	Port type
Command signal (-1…1)	Input	–	–	Automation
+	Input	–	–	Electronics
Electric drive shaft	Output	–	–	Rotational motion
Torque	Output	–	N·m	Automation
Mechanical power	Output	–	W	Automation
Electric power	Output	–	W	Automation
Net energy consumption	Output	–	kW·h	Automation
-	Output	–	–	Electronics

In order to see the connection capabilities of the block, you need to go to page Description of block ports