Electric Hydraulic Power Steering – EHPS

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Increased controllability
Speed-dependent steering assistance
Dual power versions available
Tailored OEM solutions available
Adapt to commercial vehicles

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SKU BGEN-ELECTRIC-HYDRAULIC-POWER-STEERING-EHPS Category Auxiliary System Tags Bus & Coach, Heavy Truck & Tractor, Light Commercial Vehicle, Specialty & Municipal Vehicle

Description

What is EHPS?

EHPS, or electric hydraulic power steering, uses an electric motor to power the pump, adjusting pressure for steering assistance. This system enhances steering smoothness, precision, energy efficiency, and vehicle stability at high speeds.

Dual Power Electric Power Steering Pump

Improve Fuel Economy

The steering pump is no longer powered by the engine, but by an electric motor that operates only when steering assist is needed, enhancing overall fuel economy.
Improved Comfort

When manoeuvring, the steering is light to handle. But at a high speed, the steering is more stable.
Enhanced Safety

The dual power electric steering pump operates using both a high voltage battery pack (DC540V) and a low voltage battery (DC24V). If the high voltage supply disconnects suddenly, the low voltage system takes over, allowing the electric power steering to function seamlessly.

Vehicle Type

Construction Machinery
Bus
Heavy Truck
Light Truck

Our Offerings

For specific product details or OEM solution discussion, kindly reach out to us.

High voltage module motor parameters

Rated Power	Peak Power	Rated Voltage	Flow	Max pressure
1.5 kW	3.0 kW	400 - 750 VDC	12 L/min	13±0.3 MPa
3.0 kW	7.5 kW	400 - 700VDC	20 L/min	15±0.3 MPa

Low voltage module motor parameters

Rated Voltage	Peak Power	Rated Speed	Peak current	Peak torque
12 VDC	1.2 kW	1000 rpm	120 A	10.5 Nm
24 VDC	2.0 kW	1200 rpm	120 A	13 Nm

Electric Hydraulic Power Steering Pump

Rated Power	Peak Power	Rated Voltage	Flow	Max pressure
2.2 kW	4.4 kW	380/220 VAC	12±1.5 L/min	13 MPa
3.0 kW	6.0 kW	380/220 VAC	17±1.5 L/min	15 MPa
3.0 kW	9.0 kW	247 VAC	18±2 L/min	17±0.5 MPa
4.0 kW	10.75 kW	380/220 VAC	18±2 L/min	17±0.5 MPa
5.5 kW	11 kW	380 VAC	28 L/min	17±0.5 MPa

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Leading EV Powertrain Solutions Tailored for Commercial Vehicles

Our Solutions

Proven Electrification Solutions Delivered Worldwide

Our Projects

Construction Equipment Off-Highway Electric Vehicles

Electric Loader

The Drilling Equipment Electrification Project in Australia

Industrial Electrification Mining Electrification

Electric Drilling Equipment

Electric Heavy Truck Fleet Electrification Heavy-Duty Vehicles

Electric Heavy Truck

FAQs

What does Brogen supply for electric commercial vehicles?

Brogen supplies electrification components and systems across six families: EV charging (Level 2 AC, Level 3 DC and charger power modules), on-board power electronics (on-board charger, DC/DC converter, combined OBC + DC/DC system and integrated auxiliary inverter), electric steering (EHPS, EPS and RCB steering gear), electric braking (air brake compressor, vacuum pump), battery thermal management, and electric air conditioning. Every product is engineered for integration into a vehicle programme rather than as a stand-alone accessory.

Which vehicles are your products designed for?

Our components are used across commercial and specialty vehicles — bus and coach (including mini and mid-sized buses), heavy truck and tractor units, light commercial vehicles and light trucks, specialty and municipal vehicles such as construction machinery, sanitation vehicles and mining trucks, and for selected lines passenger cars and SUVs. If you tell us the vehicle type and platform, we will point you to the right product family.

Are your products compatible with both electric and conventional vehicles?

Yes. Steering systems are explicitly designed to be fitted to both fuel vehicles and new energy vehicles, and the on-board power electronics and charger range covers PHEV and BEV applications — with the electric vacuum pump supporting HEV, BEV and FCV as well. This makes the range suitable for electrification programmes that run alongside existing combustion platforms.

Can you customise a solution for our specific vehicle programme?

Yes. The range is built on platform and platforming designs rather than one-off parts, so a base platform can be scaled and configured to different vehicle types, power levels and voltage architectures. Customisable and adjustable control strategies are available, and tailored OEM solutions are offered for commercial vehicle applications.

How do your products integrate with the vehicle's control and communication systems?

Communication is native to the products rather than an add-on. Depending on the product, interfaces include CAN and CAN-FD and K-line protocols, and the combined on-board charger and DC/DC system provides real-time voltage and current data over the CAN bus for communication and status feedback with the BMS and VCU. Selected products also support online software upgrades and OTA updates, so control strategy can be refined after the vehicle is in service.

What protection and reliability features do your products include?

Protection is designed in at component level. Depending on the product this includes input and output overvoltage and undervoltage protection, short circuit protection, over-temperature protection, overcurrent protection, stalling protection, reverse-polarity protection and dry-running protection. Housings and sealing are engineered for demanding environments — dust and water ingress protection up to IP67 on applicable products, and operation designed to remain stable under extreme temperatures and high humidity.

How do your products help lower energy consumption and operating costs?

Several design choices work in the same direction. Power is drawn only when it is actually needed — for example the electric steering pump runs only when steering assistance is required, which improves fuel economy. High-efficiency conversion reduces energy losses, lightweight and integrated designs cut vehicle weight (the all-DC variable-frequency air conditioning system reduces overall system weight by more than 30%), and intelligent thermal management extends battery life and range.

Can the same product platform serve different markets and power configurations?

Yes. The range covers single-phase and three-phase input, 400 V and 800 V architectures, and different power and voltage configurations for global markets, with wide input ranges for worldwide usage. Because products share platform architectures, a design validated for one market can be adapted for another instead of starting from scratch.

How do we obtain the exact specification for our application?

The specifications published on this page describe the general range for this product category. To confirm the exact model — including power level, voltage window, cooling method, mounting and interface — send us your vehicle parameters (battery voltage architecture, power requirement and installation constraints) and we will specify the configuration that matches. A product manual is available for download on each product page for preliminary engineering review.

Why choose Brogen as an electrification partner?

Three reasons. First, breadth — charging, on-board power electronics, steering, braking, thermal management and air conditioning can be sourced from one partner, which reduces supplier complexity and interface risk. Second, platform thinking — the designs are modular and scalable, so they adapt to a wide range of vehicle types and configurations. Third, engineering responsiveness — advanced control concepts and intelligent algorithms give broad vehicle model compatibility, enabling fast matching and rapid development cycles.

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