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True Harmonic Solution

Electrical

Input power source 230/415 VAC, 3-Phase, 3-Wire, 50 Hz 230/415 VAC, 3-Phase, 4-Wire, 50 Hz 500/600 VAC, 3-Phase, 3-Wire, 50 Hz
Voltage -15% & +10%, Frequency +5%
AMT-AHF-X-X-X-2/4/5-1N (Note: 2, 3 & 4) 030 060 100 150 200 300 060 100 150 200 100 150 200 220
Filter current IF (Arms) 30 60 100 150 200 300 60 100 150 200 100 150 200 220
Max peak filter current (Apk) 75 145 240 360 480 720 145 240 360 480 240 360 480 530
Neutral current IN (Arms) IF IF IF IF
Heat loss (Watt) 645 1270 2095 3145 4165 6000 1300 2140 3200 4250 2900 / 3065 4500 / 4600 5950 / 6190 7500 / 7665
Dimensions A B A B B C
Approximate weight in kg [lb] 80 [176.4] 90 [198.4] 272 [599.6] 280 [617.2] 320 [705.4] 430 [948] 95 [209.4] 280 [617.3] 320 [705.5] 335 [738.5] 275 [606.3] 360 [793.7] 470 [1036] 470 [1036]

Control Functions

Control Method Digital Fast Fourier Transform with Hysteresis current control
Harmonic Filtering Harmonics up to 51st order (Non Zero sequence), 5th & 7 th harmonics up to 100 % of rated capacity and further harmonics order rejection as per impedance curve, including Zero sequence for 4-Wire configuration.
Harmonic order selection Global / Selective compensation from 3rd to 51st order with settable amplitude
Harmonic attenuation ratio (Note: 5) Better than 97 % at rated current
Power factor improvement/Load balancing Automatic P.F. improvement / Load balancing between Line-to-line up to the unutilized capacity of filter based on selected priority.
Priority selection for compensation Selectable priority between Harmonic rejection, power factor improvement and load balancing
Max. switching frequency 18 kHz
Reaction time 78 uSec
Transient response time Less than one power cycle

Operation Specifications

Digital inputs 5-Programmable sequence inputs, sink / source changeable
Digital outputs 4-Programmable sequence outputs, open collector type
Potential free contacts 3-programmable relays 1-NO, 1-NC for 5 A @ 240 Vac
Programmable between 12 different options
Analog outputs 2-Programmable analog voltage outputs AO1 & AO2: 0...10 V / 4...20 mA with settable Gain, Bias, Min. and Max. scaling
Soft-charge Through resistor within 5 sec.
Auto start Yes, AHF can start at power ON condition in local and serial mode.
Auto restart Adjustable up to ten times for fault like Over current fault, Timed over current fault, Adjustable over current fault, DC bus over voltage fault, DC bus under voltage fault, Earth fault, Temperature fault, External fault with individual enable or disable.

Display Indications

Display and Keypad module Digital Operation Panel 128 x 64 Graphical LCD with back light LED, 8-Key keypad, 3-Status indicating LED for Run, Stop and Fault, Real Time Clock.
THDv, Line Frequency, DC bus voltage, PF, DPF, kW, kVA, kVAR, kWH, MWH, V L-L
Current of Filter / Load / Source side for each phase, THDi of load and filter side
TFT module (optional) TFT Touch screen graphical display
Displays current waveform of Filter / Load / Source side for each phase.

Communication

Network connectivity RS-485 for PC interface with Modbus-RTU protocol and Wi-Fi connectivity as standard; DeviceNet, Profibus DP (Slave), CANopen, Ethernet, ControlNet are optional.

Protective

Protective function Over current fault Phase loss fault
Adjustable over current fault Ground fault
Timed over current fault External fault
DC bus over voltage fault Charging fault
DC bus under voltage fault EEPROM fault
Over temperature fault CT Detection Fault
Fault history Last 20 faults with status at time fault occurred stored in memory
Electronic thermal overload 120 % Overload for 60 Seconds, above 100 % harmonic current is limited by software

Environment

Installation location Indoor (Consult Amtech for outdoor application)
Type of cooling Forced air cooling
Ambient temperature -15...45 ℃ (5...113 ℉), contact Amtech for higher ambient temperature requirements.
Storage temperature -20...70 ℃ (-4...158 ℉)
Audible noise ≤ 72 dB @1.0 m (3 ft)
Altitude (above sea level) 1000 m (3300 ft) w/o derate, (derate 1 % per 100 m (330 ft) above 1000 m (3300 ft)
Model derating with temperature Above 40 ℃ (104 ℉), derate the output current by 3 % /1 ℃ (1.8 ℉) maximum up to 50 ℃ (122 ℉) temperature
Relative humidity 0...95 % max non condensing

Mechanical Specifications

Color RAL 7035
Protection class IP 31 (Consult Amtech for higher protection requirement)
Installation (Note 6)
A = Wall/Floor mounting, B, C = Floor mounting
Dimensions (W X DX H) in mm [inch] A = 515 X 410 X 975
[20.3 X 16.1 X 38] 		B = 600 X 600 X 1995
[23.6 X 23.6 X 78.5] 		C = 800 X 600 X 2195
[31.5 X 23.6 X 86.4]

Panel plinth height is not included in above dimension table. Standard plinth height is 200 mm for A and 100 mm for B & C dimensions.

Reference standard

Harmonic IEEE 519-2014, G5/4-1, GB/T 14549-93, IEC 61000-3-2, IEC 61000-3-4, IEC 61000-3-12
Safety IEC 50178

  1. Products for 60 Hz power supply frequency are also available on request.
  2. Above 300 A requirement, multiple units will be connected in parallel. Up to 40 units can be connected in parallel. Contact Amtech for any other requirement / more details.
  3. The -2 is for 230 V, -4 is for 415 V, -5 is for 480 V and -6 is for 600 V input supply.
  4. The -1N in the part number defines neutral current capacity equal to the rated filter current; For higher neutral current rating, consult Amtech. This is only applicable for the 3-Phase, 4-Wire system.
  5. Minimum 3 % line reactor is required in series with higher di/dt load.
  6. All models have bottom cable entry and front access.
  7. All performance specifications are valid at nominal ratings.