Power transmission. Once electricity is generated, it must be transmitted over long distances to reach demand centres. To reduce losses, this phase requires maximum efficiency and system stability, which depend heavily on effective thermal control. Substations and converter stations require reliable and efficient cooling systems to manage the heat produced.
Power distribution. At this stage, the electricity is stepped down to lower voltages and delivered to end users. In this phase, LU-VE solutions are widely used to guarantee optimal cooling of transformers, inverters and rectifiers, supporting grid balance, performance, and continuity of service.
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High Voltage Direct Current systems require reliable cooling for converters and control electronics to ensure stable long-distance power transmission.
Synchronous Compensators
LU-VE heat exchangers help maintain thermal balance in these systems, which stabilize grid voltage and frequency in high-load conditions.
Rectifiers and Frequency Converters (Drives)
Used to regulate power flow and adapt frequency, these devices generate considerable heat that must be managed to prevent performance loss or failure
TRAFO
Transformer cooling is crucial to protect insulation, extend service life, and ensure grid efficiency - especially in environments with fluctuating load profiles.
HEAVY DUTY The Alfa-V VDD series is a wide range of heavy duty V-type dry coolers for air conditioning, refrigeration and various industrial applications such as water/glycol cooling or free cooling. For industrial applications, dry coolers are suitable for closed circuit cooling of various process liquids in f.i. food, power, process and general industries. Alfa-V VDD dry coolers provide high capacities at a modest power consumption and a compact footprint.
DIRECT COOLING OF DIELECTRIC OIL The AlfaTrafo BO series is a modular range of heavy-duty OFAF-type (Oil Forced/Air Forced) oil coolers, specifically designed for cooling down transformer oil. AlfaTrafo oil coolers are available for both on-board and remote installation.
Technical Highlights
OFAF configuration designed for cooling down mineral and natural ester oils
Cu tubes with cylindrical header or Al tubes with removable header box (stainless steel on request)
Internal cleaning process through oil flushing
Available for both on-board and remote installation
Heavy duty design with high corrosion resistance
Easily cleanable thanks to hinged fans, stainless steel filters and industrial power fins
Customizable connections: easy to connect to the Trafo
RELIABILITY INSTALLED Air cooled radiators Solar SR have been designed for heavy industrial cooling applications for cooling of various process liquids. Dual coil models are available for simultaneous cooling of LT/HT engine circuits. Applications include diesel and gas engine cooling, turbine cooling, oil cooling and various other processes (transformers, air compressors, etc.)
Technical Highlights
Heavy duty coil and casing materials, resulting in a long operational product life
Available with stainless steel casing and tubes
Available with double HT/LT circuit
Plain profile fins make the coil less prone to fouling and easier to clean
Excellent sound characteristics
Two units can be fitted into a single container side-byside