GROUND Products

and services
POWER for aviation
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C.D.R Technology
Customizable and sustainable solutions with exceptional
quality and premium client’s support.
We offer strategic the full cycle of services and consulting
on areas such as terminal layout, security measures, fleet
management, and more.
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ISO 9001 EN 50082-2 DFS 400

ISO 14001 EN 12312-20 IEC 60721

ISO 6858 EN 2282 IEC 60529

MIL-STD-704F EN 1915-1 MH/T6107-1024 F900

EN 50091-1 EN 124 F900 SAEARP 50 15

EN 61000-6-4 EN 61558-2-6 2004/108/EC

EN 61000-6-2 BS 2G 219 73/23 EEC

C.D.R (Creative.Development. Research) Technology

Highest provides a comprehensive turnkey solution for aviation
componets' facilities, hangars, and aprons, ensuring smooth operation
quality of aviation equipment.
We manage the entire service cycle — from project
engineering, manufacturing, and installation to commis-
sioning, staff training, and after-sales support.

Our turnkey approach covers all technical needs, delivering

fully integrated systems for efficient, reliable operation.
Extended Whether supplying spare parts or delivering turnkey systems,
Warranty we ensure high performance, compliance with industry
standards, long-term support at every stage.

Customizable
Products

24/7 Client's
Support Service

TurnKey
Solutions
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The frequency converters of F-400 series
F-400 Series are developed for the ground servicing of all
aircraft types, laboratory equipment, etc. with:

FREQUENCY • a frequency of 400 Hz

CONVERTERS • rated capacity up to 360 kVA

F-400 series converters assist with the fast,

reliable, and safe launch of aircraft engines.
They provide uninterrupted electrical supply.

Protocol
• SCADA
• MODBUS
• TCP / IP
• RS485

Adjustments
• Any power rate according to client needs
• Up to 5 output channels
• Simultaneous work of output channels

Temperature and humidity

• Standard (-55°C to +55°C)
• Relative humidity up to 100 %

115/200V 400Hz
Voltage Frequency

• Absolute voltage quality — ISO 6858 • Very stable frequency: 400 Hz ± 0,01
• Max. phase unbalance is less than 2 V • Possibility to regulate: 360 Hz to 450 Hz
• Automatic voltage drop compensation
on the cable (up to 200 m)
• Phase angle 120º ± 2,5 %

10 min
Modularity

• Modular system — easy to replace

• Estimated time to repair is less than 10 min
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GENERAL PROTECTION (ISO 6858/ MIL-STD-704F)
Climatic execution –55 °C to +55 °C Over/ under voltage at input/output
Humidity up to 100 % Overload
Noise level: <65 dB(A)@ 1 m Over/ under frequency
Execution fixed, mobile, PBB Overheating
Protection class IP 55 Short circuit at input/output
Country of origin Estonia, EU Control voltage error
Leakage current supervision
INPUT PARAMETERS No break power transfer
Input voltage, V 3x220/ 3x440/ 3x460
3x480 ± 10 %, N, PE OPTIONAL
Input frequency, Hz 50/60 Anti-condensation heating with thermostat
Inrush current soft start Remote control control panel,
regulation buttons,
OUTPUT PARAMETERS power, lamp,
Number of outputs up to 5 emergency stop
Rated output power, kVA uo to 360 Additional outputs 36 V, up to 30 kVA
Rated output voltage, VAC per client User interfaces RS485 TCP/ IP;
requirements Modbus; Others
Range of load changes, % 0-100 Measuring devices type analog or digital
Total harmonic distortion, Beacon light
not worse, % 2 Audio signalization
Coefficient of amplitude Control panel lighting
modulation of the output voltage, % not more than 1,5 EUR1 Certificate
Output frequency, Hz 400 ± 0,01 RFID access system
Coefficient of efficiency, % 97 Climatic execution
Line drop compensation automatic Remote control
Range of voltage regulation, V ±10 % Power consumption record
Range of frequency regulation, Hz 360-420 Power consumption monitoring
Error log storage up to 10 000 events Access group and level management
Output cable length up to 200 m Monitoring of energy consumption
Interlock ON/ OFF/civil /military
Overload 600 sec — 125 %
60 sec — 150 %
30 sec — 200 %
10 sec — 300 %
1 sec — 400 %
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The new-generation rectifiers of R-28
R-28 Series series are developed for ground servicing
of aircraft and helicopters with:

RECTIFIERS • voltage of 28.5 V

• continuous current up to 1600 A

(overload up to 2500 A)

R-28 series rectifiers ensure reliable engine

launch and stable onboard equipment
operation.
Equipped with microprocessor control
and optional energy monitoring systems.

Monitoring system
• Energy consumption monitoring system
• Power log and “black box” mode

Eco-friendly
• No CO2 emissions
• Maximum usage of recycle materials
• Extraordinary personnel safety features
• Easy to operate
• Noise level <65 dB(A) @1 m

Monitoring system
• Energy consumption monitoring system
• Power log and “black box” mode

Up to Voltage
1600 A 28/48/56 V

• Rated current up to 1600 A with overloads • Very stable voltage

up to 2500 A • Automatic voltage drop compensation
on the cable (up to 50 m)

2 DC ++ 10 min
Modularity

• Dual independent output channel option • Modular system — easy to replace

• Ability to workon a 28 V/ 48 V/ 56 V mode • Estimated time to repair is less than 10 min
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GENERAL PROTECTION (ISO 6858/ MIL-STD-704F)
Climatic execution –55 °C to +55 °C Over/ under voltage
Humidity up to 100 % Overload
Noise level <65 dB(A)@lm Overheating
Execution fixed, mobile Short circuit
Protection class IP 55
Country of origin Estonia, EU OPTIONAL
Anti-condensation heating with thermostat
INPUT PARAMETERS Remote control control panel,
Input voltage, V 3x220/ 3x440 / 3x460 regulation buttons,
3x480 ± 10 %, N, PE power, lamp,
Input frequency, Hz 50/60 emergency stop
Inrush current soft start Output with commutation, V 28/48/56
Custom input and output cable length
OUTPUT PARAMETERS Custom input and output plugs
Number of outputs up to 5 Control panel lighting
Current (continuous), A up to 1600 RFID access system
Rated output voltage, V 28,5 Climatic execution
Range of lvoltage regulation, V up to 33 Remote control
Peak current, A up to 2500 A Power consumption record
Line drop compensation automatic Power consumption monitoring
Error log storage up to 10 000 events EUR1 certificate
Interlock ON/ OFF RFID access system
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The combined supply units of FR-400/28
FR-400/28 Series series are designed to power on-board
systems of aircraft and helicopters during

COMBINED ground handling at airports, shop floors,

and training centers.

UNITS • DC output: 28.5 V

• AC output: 400 Hz

All channels can be adjusted and operated

simultaneously.
Voltage drop compensation is individually
set for each output.

DC Modes
• Dual-channel: 28 /48 /56 V
• Single-channel: 28.5 V

Totally customizable
• Trolley
• Color
• Cable length
• Technical parameters

AC + DC Ventilation
cooling system

• Independent AC and DC outputs • Located on top

• Possibility of simultaneous work of all • Low noise fans
channels • Less time for maintenance

Specilal
outputs

• Special 400 Hz 36 V output

• Ability to work on a 28 V/ 48 V/ 56 V mode
• 50/60 Hz sockets
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GENERAL DC OUTPUT PARAMETERS
Climatic execution –55 °C to +55 °C Current (continuous)
Humidity up to 100 % of each output, A up to 1600
Noise level <65 dB(A)@lm Rated output voltage, VDC 28,5
Execution fixed, mobile Output voltage stabilization
Protection class IP 55 accuracy, VDC 0,5
Country of origin Estonia, EU Range of voltage regulation, V up to 33
Output voltage ripple factor, % maximum 2
INPUT PARAMETERS Overload rating up to 2500 A
Input voltage, V 3x220/ 3x440/ 3x460
3x480 ± 10 %, N, PE PROTECTION (ISO 6858/ MIL-STD-704F)
Input frequency, Hz 50/60 ± 5 % Over / under voltage at input/output
Inrush current soft start Overload
Input plug, A up to 400 Over / under frequency
Over temperature
OUTPUT PARAMETERS Short circuit at input/output
Number of outputs up to 5 Control voltage error
Power factor >0,8 at 100 % load Leakage current supervision
Coefficient of efficiency, % 97 No break power transfer
Line drop compensation automatic
Error log storage up to 10 000 events OPTIONAL
Interlock ON/ OFF/ civil/ military Anti-condensation heating with thermostat
Remote control dublicates the main
AC OUTPUT PARAMETERS control panel
Total output power, kVA up to 360 Additional outputs 36 V, up to 30 kVA
Rated output voltage, VAC 115/200 ± 2 User interfaces RS485 TCP/ IP;
Range of load changes, % 0-100 Modbus; Others
Range of voltage regulation, V 104-120 Measuring devices type analog or digital
Range of frequency regulation, Hz 360-420 Output mode, V 28/48/56
Total harmonic distortion, Monitoring of energy consumption
not worse, % 2 Control panel lighting
Output frequency, Hz 400 ± 0,01 EUR1 Certificate
Coefficient of amplitude RFID access system
modulation of the output voltage, % not more than 1,5 Climatic execution
Overload 600 sec — 125 % Remote control
60 sec — 150 % Voice signalization
30 sec — 200 % Control panel backlight
10 sec — 300 % Beacon light
1 sec — 400 % Monitoring of energy consumption
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The CDR power pillars
DP-50/60 Series provide AC and DC connection points
for workshops and hangars.

DISTRIBUTION • AC: 220/400 V–50/60 Hz

PILLAR • Special: 115/200 V–400 Hz

• DC: 28 V

Each line can be equipped with:

• High-speed switch
• Voltage and status indicators

Options
• Built-in remote control
• Certified counters (400 Hz/ 28 V)
• Anti-condensation heating
• Custom integrations on request
• Power consumption monitoring
• Remote monitoring

General
• Climatic execution: up to client’s needs
• Humidity: up to 100 %
• Cover protection class: IP 55
• Electric connection class
of protection: IP 67
• Country of origin: Estonia

50/60 Hz 50/60 Hz
3 phase outputs 1 phase outputs

• 400 VAC 16 A • 400 VAC 125 A • 230 V 16 A

• 400 VAC 32 A • 400 VAC 160 A • 230 V 32 A
• 400 VAC 63 A • 400 VAC 200-250 A
• Other voltages

28.5 V 400 Hz
outputs 3 phase outputs

• up to 1600 A continuous • 115/200 V, up to 360 kVA

• 36 V, up to 30 kVA
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CDR Cable Extender.
C-Coil Series Robust and mobile solution for safe cable
storage and delivery from GPU to aircraft.

CABLE • Operating range: –55 °C to +55 °C

• Cable length: up to 100 m

EXTENDERS • Supports up to 2 outputs

• Material of extender and drum:
galvanized steel frame
• Easy drum rotation with dual bearings
• Made in Estonia

All dimensions are customizable.

Capacity Performance
features

• Up to 100 m of cable length • 2 bearings drum rotation

Customizable
solution

• Drum and extender design

• All dimensions
• Frame color and coating, etc.
info@cdr.ee

cdr.ee

+372 558 56 94

Taevavärava tee 6b-24, Lehmja küla

Rae vald, Harju maakond
75306 Estonia, European Union

cdr-technology