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hydraulic-power-units

hydraulic-power-units
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hydraulic-power-units

Product catalog summary
Overview: The document provides detailed technical specifications and features of hydraulic power units designed for wind turbines, focusing on rotor lock and yaw brake control systems. It highlights the different configurations available for various turbine types, including direct drive, conventional, and compact drive wind turbines.
Specifications:
  • Rotor Brake Circuit: Utilizes an electrical motor to drive a hydraulic gear pump, feeding a system accumulator. Key features include fail-safe brake activation, continuous pressure holding, and pressure control via switches or transmitters. The system is equipped with high-pressure filters and certified pressure control valves for safety and cleanliness.
  • Yaw Brake Circuit: Similar to the rotor brake circuit, it uses a hydraulic gear pump and offers three pressure levels: 160 bar for holding, 30 bar for yaw operation, and 0 bar for cable loop unwinding. It includes a flushing function and pressure control mechanisms.
  • Rotor Lock Circuit: Features adjustable pressure for rotor lock with a 4/3 valve protected by additional 2/2 valves, offering manual and remote control options and designed for continuous pressure holding.
General Features: The hydraulic power units are compact, cost-efficient, and mounted on tanks ranging from 3 to 25 liters. They incorporate leak-free 2/2 seat valve technology, robust asynchronous 400V/50Hz electric motors, and oil level and temperature controls.
Optional Features: Include UL-approved electrical components, drip pans, electrical cabinets, customer-specific plug connections, cold climate versions, 690 V electric motors, 60Hz frequency, hand pumps, and pressure gauges for visual inspection.
Applications: These systems are suitable for gearless turbines, multi-megawatt turbines, and various wind turbine configurations, providing reliable braking and control solutions.
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Catalog excerpts

hydraulic-power-units-1

GLOBAL LEADING EXPERTS SVENDBORG BRAKES RANGE Svendborg Brakes is the global market leader in intelligent braking solutions. This is why.

 Open the catalog to page 1
hydraulic-power-units-2

GLOBAL LEADING EXPERTS Example for a DIRECT Drive Wind Turbine Combined hydraulic power unit for active rotor brake and rotor lock control Stand alone hydraulic power unit for yaw brake control www.svendborg-brakes.com

 Open the catalog to page 2
hydraulic-power-units-3

GLOBAL LEADING EXPERTS Example for a DIRECT Drive Wind Turbine Specification SYSTEM CIRCUIT The electrical motor drives a hydraulic gearpump. The Pump feeds the system accumulator, controlled by a pressure switch or a transmitter. The System pressure can be released manually by shut-off cock or manual override of the valves. A High pressure filter between the pump and the system ensures the cleanliness of the hydraulic system. A Certified pressure control valve ensures pressure relief in case of control failures. Optional transmitter on system accumulator for checking the nitrogen pre-charge....

 Open the catalog to page 3
hydraulic-power-units-4

GLOBAL LEADING EXPERTS Functions: SYSTEM CIRCUIT The electrical motor drives a hydraulic gearpump. The Pump feeds the system accumulator, controlled by a pressure switch or a transmitter. The System pressure can be released manually by cock or a manual override of the valves. A High pressure filter between the pump and the system ensures cleanliness of the hydraulic system. A Certified pressure control valve ensures pressure relief in case of control failures. Optional transmitter on system accumulator for checking the nitrogen pre-charge. -yaw brakes with 3 pressure levels, i.e. )160 bar for...

 Open the catalog to page 4
hydraulic-power-units-5

GLOBAL LEADING EXPERTS Example for a DIRECT Drive Wind Turbine Combined hydraulic power unit for active rotor brake and yaw brake control

 Open the catalog to page 5
hydraulic-power-units-6

GLOBAL LEADING EXPERTS Example for a DIRECT Drive Wind Turbine Specification SYSTEM CIRCUIT ROTOR BRAKE CIRCUIT: The electrical motor drives a hydraulic gearpump. The Pump feeds the system accumulator, controlled by a pressure switch or a transmitter. The system pressure can be released manually by shut-off cock or manual override of valves. The high pressure filter between the pump and the system ensures the cleanliness of the hydraulical system. The certified pressure control valve ensures pressure relief in case of control failures. Optional transmitter on system accumulator for checking the...

 Open the catalog to page 6
hydraulic-power-units-7

GLOBAL LEADING EXPERTS Example for a CONVENTIONAL Wind Turbine Combined hydraulic power unit for active rotor brake and yaw brake control

 Open the catalog to page 7
hydraulic-power-units-8

GLOBAL LEADING EXPERTS Example for a CONVENTIONAL Wind Turbine Specification SYSTEM CIRCUIT The electrical motor drives a hydraulic gearpump. The pump feeds the system accumulator, controlled by a pressure switch or a transmitter. The system pressure can be released manually by a shut-off cock or manual override of valves. The high pressure filter between the pump and the system ensures the cleanliness of hydraulic system. The certified pressure control valve ensures pressure relief in case of control failures. Optional transmitter on system accumulator for checking the nitrogen precharge. Combined...

 Open the catalog to page 8
hydraulic-power-units-9

GLOBAL LEADING EXPERTS Example for a CONVENTIONAL Wind Turbine Stand alone hydraulic power unit for active rotor brake control Combined hydraulic power unit for yaw brake and rotor lock control

 Open the catalog to page 9
hydraulic-power-units-10

GLOBAL LEADING EXPERTS Example for a CONVENTIONAL Wind Turbine Specification SYSTEM CIRCUIT The electrical motor drives a hydraulic gearpump. The pump feeds the system accumulator, controlled by a pressure switch or a transmitter. The system pressure can be released manually by a shut-off cock or manual override of valves. The high pressure filter between the pump and the system ensures cleanliness of hydraulic system. The certified pressure control valve ensures pressure relief in case of control failures. Optional transmitter on system accumulator for checking the nitrogen precharge. Combined...

 Open the catalog to page 10
hydraulic-power-units-11

GLOBAL LEADING EXPERTS Example for a CONVENTIONAL Wind Turbine Specification SYSTEM CIRCUIT ROTOR BRAKE CIRCUIT The electrical motor drives a hydraulic gearpump. The pump feeds the system accumulator, controlled by a pressure switch or a transmitter. The system pressure can be released manually by shut-off cock or manual override of valves. The high pressure filter between the pump and the system ensures the cleanliness of the hydraulic system. The certified pressure control valve ensures pressure relief in case of control failures. Optional transmitter on system accumulator for checking the...

 Open the catalog to page 11
hydraulic-power-units-12

GLOBAL LEADING EXPERTS Example for a DIRECT Drive Wind Turbine Stand alone hydraulic power unit for yaw brake control

 Open the catalog to page 12
hydraulic-power-units-13

GLOBAL LEADING EXPERTS Example for a DIRECT Drive Wind Turbine Specification SYSTEM CIRCUIT The electrical motor drives a hydraulic gearpump. The pump feeds the system accumulator, controlled by a pressure switch or a transmitter. The system pressure can be released manually by a shut-off cock or by manual override of valves. The high pressure filter between the pump and the system ensures the cleanliness of the hydraulic system. The certified pressure control valve ensures pressure relief in case of control failures. Optional transmitter on the system accumulator for checking the nitrogen pre-charge....

 Open the catalog to page 13
hydraulic-power-units-14

GLOBAL LEADING EXPERTS Example for a COMPACT Drive Wind Turbine Combined hydraulic power unit for rotor lock and roof hatch control www.svendborg-brakes.com Combined hydraulic power unit for yaw brake and rotor brake control

 Open the catalog to page 14
hydraulic-power-units-15

GLOBAL LEADING EXPERTS Example for a COMPACT Drive Wind Turbine Specification SYSTEM CIRCUIT ROTOR LOCK CIRCUIT: ROOF HATCHES CIRCUIT: The electical motor drives a hydraulic gearpump. The pump feeds the system accumulator, controlled by a pressure switch or a transmitter. The system pressure can be released manually by a shut-off cock or by manual override of valves. The high pressure filter between the pump and the system ensures the cleanliness of the hydraulic system. The certified pressure control valve ensures pressure relief in case of control failures. -adjustable pressure for rotor lock...

 Open the catalog to page 15

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