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SY331 · Speed & Torque Control Module

Motor-generator system for speed and load control experiments

Experiments
  • DC motor speed control and dynamic behavior analysis
  • Generator operation and load characteristic measurement
  • Motor-generator coupling and torque measurement
  • Investigation of higher-order system dynamics
  • Speed feedback and closed-loop motor control
  • Load dynamics and motor derating under heavy load
  • Real-time speed and torque trending
SY331
Description
    The SY331 is a technical controlled system for experiments on speed and voltage control. It consists of an electrical drive with integrated digital speed sensing, a generator machine, and an electronic load module. Using the adjustable load, realistic generator operation can be investigated and load characteristics measured. The system enables study of higher-order system dynamics and motor control strategies. A microprocessor-controlled power module supplies the drive motor, eliminating the need for external power amplifiers. 7-segment displays provide real-time measurement of speed and torque with trend indicators.
Schematic diagram of the SY331 apparatus
4mm safety sockets
+15V DC line
extra line for added flexibility
Motor Generator RPM and Torque displays - 7-segment Motor control input Vin Optical tachogenerator Pulse to voltage converter Tachogenerator output Vn FET transistor with heat sink functions as a voltage-controlled load - Allows plotting load curves. Generator load heatsink Generator Output Vg - can be used as input for operating the motor as active brake Load current ouput Il Generator Output Indicator Lamp Electronic Load Activation Input Z
0V line (ground)
-15V DC line

Schematic diagram of the SY331 apparatus

Schematic diagram of the SY331 apparatus

Schematic diagram of the SY331 apparatus
Technical Specifications
    Maximum speed 3000 rpm
    Motor control voltage ±10V input
    Tachogenerator output ±10V feedback signal
    Tachometer accuracy ±2% over full range
    Power consumption 10W maximum
    Microprocessor control Built-in power module, no external amplifier required
    Generator efficiency 40%
    Electronic load Adjustable resistance for load characteristic study
    Speed display 7-segment display with 0–3000 rpm range
    Torque display 7-segment display with trend indicator
    Pre-filter Switchable, time constant T = 800 ms
    Supply voltage ±15V DC
    Current draw ~1.0A maximum

SPARE
PARTS

15 YEARS

Sangari

WARRANTY

5 YEARS

Sangari

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A complete modular platform for hands-on learning of feedback control, PID tuning, and process dynamics using real thermal, fluid, and mechanical systems.

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