The Transformer Rectifier Unit 3RC2K provides a high quality output of 27.4 volts dc. This unit also float charges valve regulated lead acid batteries. It also provides 24V for ships 24V systems. The TRU has an input isolation transformer and a 12 pulse thyristor rectifier configured as two fully controlled bridges combined in parallel by an interphase transformer. This produces a very smooth DC output and eliminates all harmonics below the 11th from the input current waveform. Meanwhile, the input current to the equipment is close to sinusoidal with a “traditional” lagging power factor dependent on loading and mains voltage.
Furthermore, this unit is comes in a custom steel enclosure that measures 595mm x 497mm x 345mm. It also bulkhead mounts and is suitable for direct mounting. While suitable shock mounts should be used for shocks above 30g, this unit can withstand shock up to 30g. It also comes with an Ingress protection level of IP23.
Finally, the front hinged door provides access for maintenance and repairs. The door also comes with panel meters that indicate lamps and the mains ON/OFF switch. Louvres pressed outwards on the front and sides, with a grill on the bottom of the assembly provide fan assisted cooling during normal operation. Alternatively, natural convection turns on when the Anti Condensation Heaters are operating.
Key Features of the Transformer Rectifier Unit 3RC2K
- Fabricated mild steel enclosure folded and welded for strength. Bulkhead mounted. Lifting eyes.
- Dimensions (O/A)(hxwxd) mm 595 x 497 x 345 – please allow a clearance of at least 100 mm around the unit to allow proper ventilation
- Weight: 60kg
- IP23 Ingress Level Protection
- Naturally cooled via louvers
- Front maintenance – Hinged door for access
- Low fire hazard
- Withstands shock levels of up to 30g
- Withstands ship motion due sea action, weather and accelerations and velocities from deliberate ship manoeuvres
For more information, please contact us.
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