Product Details
Ac Motor Speed Control 36V current max 400A A5S For AC Motor
controller
Product Summary:
The A5S series introduces advanced management for AC induction
motors and permanent magnet drive motors used in on-vehicle
traction drive or hydraulic pump applications. They provide vehicle
developers with a highly efficient blend of power, performance, and
functionality at a competitive cost.
Equipped with multiple patented techniques, the A5S series extends
the lifespan of built-in relays and MOSFET units, ensuring
increased reliability. Utilizing vector control technology for
magnetic field orientation and AC motor identification technology,
these motors enable optimal torque control across the full speed
spectrum.
Usages:
Ideal for small and medium-sized utility vehicles, lightweight road
vehicles such as buggies, golf carts, low-speed electric cars,
pallet trucks, and forklifts, among others.
Key Features:
Comprehensive Functionality
- Offers a wide working frequency range of 0~300Hz.
- Capable of delivering 400A output within 36-72V system voltages,
ensuring sustained performance.
- Supports regenerative braking, SOC algorithm, magnetic eddy current
brake control, emergency stop-and-reverse motor control, and
anti-sliding slope.
- Utilizes Indirect Field Orientation (IFO) Vector Control algorithm
to optimize torque and efficiency across all speeds.
- Enables easy motor characterization without removal from the
vehicle, compatible with any AC motor brand.
- Automatic temperature compensation and remote calibration
capabilities.
- Employs Advanced Space Vector Pulse Width Modulation (SVPWM)
techniques for minimal motor harmonics, low torque ripple, and
reduced heating losses, leading to enhanced efficiency.
Robust Safety and Dependability
- Features an insulated metal substrate power-base for superior heat
transfer and increased reliability.
- Utilizes patented shoot-through guide architecture to enhance
shoot-through capability and reliability.
- Employs a dual microprocessor architecture to achieve the highest
functional safety performance level.
- Includes reverse polarity protection on battery connections and
short circuit protection on all output drivers.
- Comprehensive fault detection function with support for
over-voltage, under-voltage, over-current, overheating, and reverse
polarity protection.
- Sealed to IP65 standards for protection against dust and water
ingress.
Straightforward & Flexible
Customizable programming to meet various EV OEM requirements.
Supports PC Windows programming and offers powerful system
diagnostic tools.
Equipped with a buzzer alarm for instant diagnostics and fault
position identification.
Compatible with CANbus and CANopen protocols for enhanced
flexibility.
Differentiated AC Motor Speed Management 36v 48v 72V 80v maximum
current 400A A5S For AC Motor Controller
Product Summary:
The A5S series introduces advanced management for AC induction
motors and permanent magnet drive motors used in on-vehicle
traction drive or hydraulic pump applications. They provide vehicle
developers with a highly efficient blend of power, performance, and
functionality at a competitive cost.
Equipped with multiple patented techniques, the A5S series extends
the lifespan of built-in relays and MOSFET units, ensuring
increased reliability. Utilizing vector control technology for
magnetic field orientation and AC motor identification technology,
these motors enable optimal torque control across the full speed
spectrum.
Usages:
Ideal for small and medium-sized utility vehicles, lightweight road
vehicles such as buggies, golf carts, low-speed electric cars,
pallet trucks, and forklifts, among others.
Key Features:
Comprehensive Functionality
- Offers a wide working frequency range of 0~300Hz.
- Capable of delivering 400A output within 36-72V system voltages,
ensuring sustained performance.
- Supports regenerative braking, SOC algorithm, magnetic eddy current
brake control, emergency stop-and-reverse motor control, and
anti-sliding slope.
- Utilizes Indirect Field Orientation (IFO) Vector Control algorithm
to optimize torque and efficiency across all speeds.
- Enables easy motor characterization without removal from the
vehicle, compatible with any AC motor brand.
- Automatic temperature compensation and remote calibration
capabilities.
- Employs Advanced Space Vector Pulse Width Modulation (SVPWM)
techniques for minimal motor harmonics, low torque ripple, and
reduced heating losses, leading to enhanced efficiency.
Robust Safety and Dependability
- Features an insulated metal substrate power-base for superior heat
transfer and increased reliability.
- Utilizes patented shoot-through guide architecture to enhance
shoot-through capability and reliability.
- Employs a dual microprocessor architecture to achieve the highest
functional safety performance level.
- Includes reverse polarity protection on battery connections and
short circuit protection on all output drivers.
- Comprehensive fault detection function with support for
over-voltage, under-voltage, over-current, overheating, and reverse
polarity protection.
- Sealed to IP65 standards for protection against dust and water
ingress.
Straightforward & Flexible
Customizable programming to meet various EV OEM requirements.
Supports PC Windows programming and offers powerful system
diagnostic tools.
Equipped with a buzzer alarm for instant diagnostics and fault
position identification.
Compatible with CANbus and CANopen protocols for enhanced
flexibility.
Specifications
Content | Parameters |
---|
Model | A5S-3351 | A5S-3401 |
Nominal Input Voltage | 36 | 36 |
2 Min RMS Current Rating (Arms) | 350A | 400A |
60 Min RMS Current Rating (Arms) | 150A | 175A |
Sensor | Incremental encoder |
Communication | CAN / Serial |
Operating Temperature | -30℃~55℃ |
Storage Temperature | -40℃~85℃ |
Insulation | 10MΩ Insulation resistance, 0.05mA leakage @ DC 500V In/Out on
casing. |
IP Rating | IP65 |
Efficiency | 97% |
Cooling | Self-cooled |
Vibration Standard | GB/T2423 |
Control Method | IFO Vector |
Heatsink Requirement | Installed in well-ventilated or an air cooling system is required |
Motor Type | AC Induction Motor |
Typical Applications
Dimensions
Company Profile
Founded in 2012 by the keymembers of the University of Electronics
Science and Technology of China and ABU ROBOCON champion team, DALA
Technology Co., Ltd. is a high-tech company that specializes in
providing customers with high-end drive technology and motor drive
products.
Our main products cover AC/PMSM/IPM motor controllers, DC Brush
motor controllers, DC brushless motor controllers, and all-in-one
motor controllers.
ProfileFounded in 2012 by the keymembers of the University of Electronics
Science and Technology of China and ABU ROBOCON champion team, DALA
Technology Co., Ltd. is a high-tech company that specializes in
providing customers with high-end drive technology and motor drive
products. Our main products cover AC/PMSM/IPM motor controllers, DC Brush
motor controllers, DC brushless motor controllers, and all-in-one
motor controllers.

In-house Production Lines & Proprietary Intellectual Property
300+ Tests in R&D Phase within 11 Years
DALA's Core Technology
Motor Recognition TechnologyThe "AC Motor Parameter Automatic Recognition Technology" is
capable of identifying various types of AC motors. It can complete
motor recognition in just 2 minutes at site, which is significantly
faster than similar domestic products, reaching international
standards. This technology greatly improves on-site vehicle
adaptability efficiency, making it convenient for quick motor
replacement and the development of new projects.

Vehicle Motion Control TechnologyDALA's "Vehicle Motion Control Algorithm" has undergone four
iterations and is now feature-rich, reliable in operation, and
offers a comfortable driving experience. It includes functions such
as hill-hold capability, regen braking voltage control, and
exhibits strong speed control performance. 
3. Multi-Type Motor Control TechnologyWith expertise in driving technology for various types of motors,
including ACIM, BLDC , IPM, and DC brushed motors, DALA has
developed a comprehensive product range. In terms of supporting
different motor types, DALA offers a diverse product lineup,
meeting the varied needs of EV manufacturers and competing on par
with top-tier international manufacturers.
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