AC SERIES DYNAMOMETER

Description

The Power Test AC Series Dynamometer is designed and manufactured using a powerful yet simple design solution; unlike typical Water Brake or Eddy Current Dynos; they have the ability to apply power to the engine as well as absorb power from the connected shaft. This gives AC Dynamometers additional functionality , such as simulating the forces on an engine while a vehicle is rolling downhill, or allowing the dynamometer to crank an engine, which eliminates the need for an engine-mounted air or electric starter.

AC Dynamometers also eliminate the need for cooling media (water systems) to remove the power absorbed from a engine. Power produced by the engine, while it is operating in LOAD mode, may be dissipated using an air-cooled resistive load bank, or returned to the electrical grid – via an AC regenerative drive. Where permitted, the operator of an AC Dynamometer can receive payment (or credit) from the utility for the returned power via net metering.

Features
  • Full 4-Quadrant Variable Frequency Drive for bi-directional, absorbing or motoring operation.
  • High-Precision inline torque meter measures direct flywheel torque.
  • High-torque low-inertia machines.
Benefits
  • “Green” energy technology returns power absorbed from the unit under test.
  • Eliminate dynamometer cooling media requirements.
  • Continuous dynamometer motoring capability eliminates the need for engine starters or cranking motors.
 
Model Power Torque Max Speed
HD-100SB 100 HP (75 kW) 175 lb*ft (237 Nm) 8,000 RPM
HD-200SB 200 HP (150 kW) 595 lb*ft (807 Nm) 6,000 RPM
HD-400SB 400 HP (300 kW) 1,200 lb*ft (1,627 Nm) 5,000 RPM
HD-580SB 580 HP (435 kW) 2,040 lb*ft (2,767 Nm) 4,800 RPM
HD-670SB 670 HP (500 kW) 2,347 lb*ft (3,183 Nm) 4,200 RPM
HD-800RB 800 HP (600 kW) 3,000 lb*ft (4,067 Nm) 4,500 RPM
HD-1000SB 1,000 HP (746 kW) 3,000 lb*ft (4,068 Nm) 3,500 RPM

Specifications

Power Test has the knowledge and experience to design and manufacture a custom AC Dynamometer to match virtually any specifications. Below is just a small sampling of the custom AC Engine Dynamometers we have produced. Many options are available, contact our sales associates today.
Model Power Torque Max Speed
HD-100SB 100 HP (75 kW) 175 lb*ft (237 Nm) 8,000 RPM
HD-200SB 200 HP (150 kW) 595 lb*ft (807 Nm) 6,000 RPM
HD-400SB 400 HP (300 kW) 1,200 lb*ft (1,627 Nm) 5,000 RPM
HD-580SB 580 HP (435 kW) 2,040 lb*ft (2,767 Nm) 4,800 RPM
HD-670SB 670 HP (500 kW) 2,347 lb*ft (3,183 Nm) 4,200 RPM
HD-800RB 800 HP (600 kW) 3,000 lb*ft (4,067 Nm) 4,500 RPM
HD-1000SB 1,000 HP (746 kW) 3,000 lb*ft (4,068 Nm) 3,500 RPM

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