SmartEngine — Premium Motor Calculations & Converter

Motor Input Parameters

Supply Frequency, f 50.0 Hz

10 Hz (VFD) 50 Hz (EU/CIS Standard) 100 Hz

Poles Count, 2p (p = 2)

Actual Rotor Speed, n

rpm

0 (Blocked rotor) Synchronous speed: 1500 rpm

Generator Mode Activated!

The rotor speed exceeds the stator's magnetic synchronous frequency. The motor is operating as a generator feeding grid feedback.

Optimize VFD Efficiency with Smart VFD-Control Boards

Real-time remote modbus monitoring, vector control support, and energy economy up to 45%.

Get Catalog

Dynamics and Slip Vector

SLIP 5.33% Mode: Motor

Synchronous (Ns) 1500 rpm

Rotor Freq (Fr) 2.67 Hz

Formula Analysis

1. Synchronous Field Speed:

n_s = 60 × 50 / 2 = 1500 rpm

2. Relative Slip Ratio:

s = (1500 - 1420) / 1500 = 0.0533 (or 5.33%)

Target Vector Selector

Choose which machine parameter to solve dynamically using the mechanical link equation.

Shaft Output Power, P

Rotor Speed, n

rpm

Rotor Torque, T

N·m

Calculated Output Torque

72.48 N·m

Mechanical moment output on the rotor shaft, governed by nominal metrics.

Formula Analysis

Equation Utilized:

T ≈ 9550 × (P / n)

P (Power Component) 11 kW

n (Speed Component) 1450 rpm

Dimension Constant 9550 (Metric Factor)

3-Phase Electrical Networks

Line-to-Line Voltage, U 380 V

220 V 380 V (Standard Grid) 690 V

Line Current, I

Power Factor, cos φ 0.85

0.4 (Highly Inductive) 0.85 (Standard Motor) 1.0 (Pure Resistive)

Efficiency (Eff), η 88.0%

40% 90% (High Premium IE3 class) 99%

Vector Power Triangle

Active Input Power (P1)

12.23 kW

Mechanical Shaft Power (P2)

10.76 kW

Apparent Network Power (S)

14.39 kVA

Reactive Loss (Q)

7.58 kVAr

⚡

Power Conversion

Kilowatt (kW)

Horsepower (hp - metric)

Watt (W)

⚙️

Torque Conversion

Newton-meter (N·m)

Kilogram-force-meter (kgf·m)

Pound-foot (lb·ft)

🔄

Angular Speed

Revolutions per minute (rpm)

Radians per second (rad/s)

Hertz (Hz / rps)

Motor Input Parameters

Optimize VFD Efficiency with Smart VFD-Control Boards

Dynamics and Slip Vector

Formula Analysis

Target Vector Selector

72.48 N·m

Formula Analysis

3-Phase Electrical Networks

Vector Power Triangle

Power Conversion

Torque Conversion

Angular Speed

Technical Library