Universal Motors | High-speed appliances (blenders, saws) | 400W rated power (▲ vs industry standard 300W, IEC 60034-1) 120V AC (residential-friendly) Copper windings (85% efficiency ▲▲ vs 75% standard, ASTM D543) | High-speed performance for demanding tasks Energy-efficient design reduces operational costs | Higher energy consumption compared to induction motors Shorter lifespan due to brushed design |
AC Induction Motors | Industrial pumps, HVAC systems | 220V, 50/60Hz (global compatibility) 1–5kW (IEC 60034-30-1) Cast-iron frame (IP55 ▲ vs IP44 standard, IEC 60529) | Robust durability for heavy-duty use Low maintenance requirements | Less efficient at partial loads Noisier operation (75 dB ▲▲ vs 65 dB for brushless motors) |
DC Motors | Robotics, electric vehicles | 12–48V DC (flexible voltage) 100–1000 RPM (NEMA standards) Brushless option (90% efficiency ▲, ISO 9283) | Precise speed and torque control Compact size for space-constrained applications | Requires DC power source or converter Higher upfront cost for brushless variants |
Synchronous Motors | Precision clocks, CNC machinery | 230V, 50Hz (fixed-speed operation) 0.5–10kW (IEEE 115) Permanent magnets (92% efficiency ▲▲, ISO 12700) | Zero slip for unmatched speed accuracy High energy efficiency | Complex starting mechanism requiring external excitation Costly for small-scale use |
Servo Motors | Automation, robotics | 24V DC, 0–5000 RPM (ISO 9283) 0.1% positioning accuracy (▲ vs 1% standard, IEC 61131-8) | Ultra-precise motion control for complex tasks Fast response time (5 ms ▲▲) | High cost due to advanced control systems Requires specialized programming knowledge |
Brushless DC Motors | Drones, medical devices | 24–48V, 500W+ (IEC 60034-2-1) No brushes (10,000+ hours lifespan ▲▲ vs 5,000 hours brushed, MIL-STD-810) | Long lifespan due to wear-free design High torque-to-weight ratio | Higher initial cost than brushed motors Requires electronic speed controllers |