Regulator TCR (Constant Current Regulator)

The TCR is Transcon's constant current regulator (CCR) for powering series-circuit airfield ground lighting systems. It accepts three-phase or single-phase mains input (380–400 V or 208–240 V, 50/60 Hz) and delivers a regulated 6.6 A or 8.3 A constant current output — the two international standard series currents — with a tolerance of ±0.1 A across the load range. Four power ratings are available: 4, 10, 20, and 30 kVA, covering circuit loads from small general-aviation aerodromes through to long dual-runway international facilities.

Regulation is achieved via thyristor phase-control, which provides smooth, stepless current modulation across seven intensity steps under multi-processor control. The LCD panel with push-button interface supports both local manual and remote AMS-integrated control. Galvanic isolation between the mains supply and the output circuit is provided by a transformer, which also suppresses conducted EMI propagation into the AGL loop — a practical benefit where signal loops share cable ducts with control wiring. Efficiency of at least 95 % at rated power and integrated over-voltage protection at 110 % of rated output protect downstream light fittings and reduce utility operating costs.

At 575 × 540 × 1330 mm and 126–268 kg (depending on kVA rating), the TCR is designed for installation in a standard electrical equipment room. Operating temperature spans −25 to +55 °C standard, with an optional −45 °C variant for cold-climate deployments. The IP20 indoor protection rating positions it for shelter-mounted rather than field-mounted use, consistent with practice at international airports where power equipment is housed in dedicated electrical substations. FAA AC 150/5345-10E and L-829 compliance satisfies US-standard procurement requirements; MAK certification covers CIS-market airports.