Heating Elements/Systems for WTGs

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Heating Elements/Systems for WTGs

Source 2

Wind Power TechnologyOverview on WTG’s heaters

Source 3

Wind Power Technology Overview on Typical Heating Elements Installed in WTGs

NACELLEFan-heaters

HYDRAULIC SYSTEM, GEARBOXImmersion Heaters (ceramics,cartridges, tubular), Foil Heaters (silicone)

COOLING SYSTEMFlow-heaters

CONTROL PANEL, GENERATORAnticondensation Heaters: alu-profiles, small fan-heaters, tubular heaters

BRAKES, BACK-UP BATTERY, SENSORS, Tubular, cartridges, foil

ELECTRICAL SYSTEMFan-heaters

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Wind Power Technology Technical Demands for WTG’s Components

5-years warranty

20 years design-lifetime

-40°C + 60°C Operative temperature range (surrounding):

C3 / C4 salt corrosion class: harsh environment

High vibrations level

High voltage levels, till 690V (safety-critical)

UL-approved products

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Zoppas IndustriesMajor R&D projects 2009-2010

FAN HEATER

Stainless steel frame

Customized high quality components

Re-engineered fan-motor

1° and 2° level of thermal safety

Various power / voltage levels available

IP54 and UL-ready improved versions available

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FLOW HEATER

Stainless steel structure

Based on one-piece-flow process

PPAP approach during design phase

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CHOPPER RESISTOR

AISI 316L stainless steel structure

Duty-cycle voltage up to 1000V

C4 corrosion resistant fan-motor

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BUFFER TANK HEATER

1 single unit substitutes up to 7 traditional immersion heaters

Innovative design featuring easy service of heating elements

Improved heating element lifetime

Fast plug-in connections

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DRAIN PIPE HEATER

1 single unit substitutes up to 3 traditional immersion heaters

Innovative design featuring easy service of heating elements

Improved heating element lifetime

Available with different fixing interfaces

(flange, nipple, …)

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SILICONE HEATERS

Improved components for corrosion resistance

Improved silicone with LSLT characteristics

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Zoppas Industries

THANK YOU!

Heating Elements/Systems for WTGs

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