GERDA-RGP guaranteed power distributor

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"Gerda" Products Airfield Lighting Equipment

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Brochure

Guaranteed power distributor Gerda-RGP

Aerodrome lighting equipment catalogue

Purpose

The Guaranteed Power Distributor (GERDA-RGP) is a complete distribution unit that provides automatic, uninterrupted switching between main power inputs and a backup input from a diesel generator set, as well as uninterrupted power supply to secondary distribution units of airport electrical installations.
GERDA-RGP 160 / 250 / 400 / 630 A ensures uninterrupted power distribution for runway lighting equipment of ICAO categories I, II, and III.
The Automatic Transfer Switch (ATS) is a device that provides backup power supply to loads connected to a power system with two input sources and automatic connection of backup power sources in case of primary source failure.

Properties of the guaranteed power distributor:

- Automatic switching time – up to 1 second,
- Full functionality of the GERDA-RGP guaranteed power distributor is retained in manual mode even in the absence of voltage.
- Automation functions can be modified by reprogramming the PLC.
- Adjustable parameters can be changed over a wide range via the controller panel.
- Possibility of connecting the distributor without cable ducts (top-entry installation available).
- Reactivation of the selected actuator after power loss in “manual” mode.
- Event archiving.
- GERDA-RGP operation is automatically logged in the user interface of the ATS (Automatic Transfer Switch) system.
- The design of the GERDA-RGP guaranteed power distributor provides front access to all components, allowing the unit to be mounted with its rear panel directly against a wall.

Standard configuration of the distributor:

- Busbar assembly rated at 400/630 A depending on the RGP type.
- Input circuit breakers rated at 160 / 250 / 400 / 630 A depending on the RGP type.
- Two sectional circuit breakers rated at 160 / 250 / 400 / 630 A depending on the RGP type.
- Sectional circuit breaker for the ATS backup input (depending on the RGP type).
- ATS controller with control panel.
- Uninterruptible power supply for control and monitoring circuits, 1500 VA.
- Voltage measurement on input lines.
- Current and frequency measurement.
- Outgoing line for auxiliary power supply of the diesel generator set.

Options:

- Remote control and monitoring via Ethernet network with display for operating personnel.

Main technical specifications of the GERDA-RGP guaranteed power distributor 250 / 400 / 630 / 800 A

Parameter name	Parameter value
Power supply voltage	3 PEN ~50 Hz 230 / 400 V (220 / 380 V) TN-C-S
Rated current	160 A / 250 A / 400 A / 630 A
Control voltage	1 NPE ~50 Hz 230 V (220 V)
Design	steel sheet cabinet with powder coating on steel profiles, bottom cable entry (top entry optional)
Temperature range	from +5°C to +40°C
Climatic version	IP 43
Control	control and monitoring elements located on the doors option – remote control and monitoring
Weight of RGP	±700 kg (depending on RGP power)

Electrical parameters of actuators

Parameter name	Parameter value
Minimum power loss duration on the busbar during input switching	T1 = 0.1–9.99 sec (nominal 0.8 sec)
Switching delay time when returning from diesel generator to mains (user-configurable)	T2 = 0–9999 sec (nominal 120 sec)
Maximum switching time between two inputs	T3 = T1 + 0.2 sec
Fault evaluation time when diesel generator is triggered	T4 = 0–9999 sec (nominal 15 sec)
Delay time for connecting the diesel generator actuator (due to frequency fluctuation stabilization)	T5 = 0–9999 sec (nominal 5 sec)
Permissible input voltage deviations	+10%, -15%
Permissible frequency deviations	±10%

The manufacturer guarantees reliable operation of GERDA-RGP and provides warranty service for 18 months from the date of commissioning (but no more than 24 months from the manufacturing date), provided that the customer complies with the operating, transportation, storage, and installation conditions specified in the operating manual.

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GERDA-RGP guaranteed power distributor