Statıc LV Power Factor Corrector

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Static LV Power Factor Corrector

PMI Static Low Voltage Power Factor Correction systems deliver fast, precise, and bidirectional reactive power compensation for industrial applications. Based on thyristor-controlled technology, they dynamically compensate both inductive and capacitive loads, responding rapidly to load variations. This ensures improved power quality, reduced system losses, and continuous compliance with utility and grid requirements.

Overview

Main Category
Power Quality
Power
Up to 620 kVAR
Response Time
20 ms
Switching Tech
Thyristor zero-current
Use Case
Welding/cranes/ elevators
Switching
Zero-crossing activation
Phase Control
Independent phase regulation
Filter
Integrated serial filters

More Detail:

Contact info
    • Electronic PF Corrector based on Thyristor – Diode switching topology for real zero current switching that ensures no voltage fluctuation, no current peaks, no dangerous transients and line pollution during capacitor switching
    • Increased capacitor life with zero current switching, no switching stress on components
    • Response time is 20 msec. for fast changing loads.
    • Each phase controlled independently enabling the device to handle unbalanced loads at optimum level.
    • 32 step or 64 step capacitive and 2 step inductive sensitivity correction
    • Semiconductor switching increases reliability.
    • Periodic test of capacitors and semiconductors gives prior failure detection.
    • Modular construction and easy service.
    • Remote communication supervision and monitoring.
    • Parallel operation with old compensation system to improve total performance.
    • Easy construction with standard current transformer.
    • Energy saving with unbalanced loads.
    • Solves current harmonics with harmonic filters.
    • EKM Series solution for unbalanced loads
    • Series inductors for damping PFC capacitors
INPUT & CONTROL
Model EKM
1 Phase Power Options 22,5 / 45 / 90 / 135 / 180 / 270 / 360 Kvar/440VAC
Working Technique Thyristor/Diode Zero Current Switching
Correction Tecnique Each Phase Independent Measurement (1Phase) / Each Phase Measurement (3Phase)
Controlling dsPIC Microcontroller
Efficiency >90%
Isolation Voltage 2.500 VAC (Between Input-Output, Input-Case, Output-Case)
Correction Tolerance ±%2 VAR
Capacitive Step Number 32 / 64 (for 22,5 KVAr 32 Steps, for more than 22,5KVAr 64 Steps)
INPUT
Nominal Input Voltage 380/400 VAC (3 Phase)
Input Voltage Tolerance ±20%
Nominal Input Frequency 50 – 60 Hz (Optional)
Input Frequency Tolerance ±5%
Power Factor >0.8
Input Protection Thermal-Magnetic Overcurrent, Overvoltage ve EMI-RFI Filter
Momentary Voltage and Impact Protection IEEE 587 (4500 A, 110 Joules)
DIGITAL FRONT PANEL
Indicator ve Buttons 2 x 16 LCD Panel, Menu Choosing and Parameter Adjust Buttons
Warning Messages Input Voltages Normal/Overvoltage/Undervoltage,Input Fuse Open/Close,Overtemperature,Temperature Normal,Insufficient Correction,Over THD,Correction Normal,Communication Failure/Normal,Device Failure/Normal,Self Test Start/End
Monitorring Parameters Cos Fi L1/L2/L3, PF L1/L2/L3/Total, Input Voltages L1/L2/L3, Apperant Power (VA) L1/L2/L3/Total, Active Power(W) L1/L2/L3/Total, Reaktive Power (VAR) L1/L2/L3/Total
Adjustable Parameters Capacitive / Inductive Side Working,Date/Time ,Alarm Volume Level,Communication Address,LV/HV Operate
Voiced Alarm During Indication Messages in 2 seconds 2 short “Bip”
Communication Monitorring and Adjusting Parameters over Computer via RS-232 ve RS-485, 256 Event Logs, GSM communication (Option), TCP/IP
ENVIRONMENT
Cooling AC Fan (Standard) / Natural Cooling (Option)
Elektrically Noise Reducing FCC Part 15 Class B
Cabin Protection Level IP20 / RAL7035 as standard, (Higher IP rating and different colors are available, please consult)
Nominal Temperature -10 / +40 °C (Higher operating temperatures are available, please consult )
Relative Humidity 0 – 90%. Higher relative humidity are available, please consult
Working Height Maximum 1.000 Mt (Higher altitudes requires de-rating, please consult )
Noise Level Max. 60dB in 1 Meter Dıstance
Electrical Standarts EN 50091-1 (Safety) / EN 50091-2 (EMC)

EKT

INPUT & CONTROL
Model EKT
1 Phase Power Options 75 / 150 / 230 / 310 / 460 / 620 kVA/440VAC
Working Technique Thyristor/Diode Zero Current Switching
Correction Tecnique Each Phase Independent Measurement (1Phase) / Each Phase Measurement (3Phase)
Controlling dsPIC Microcontroller
Efficiency >%90
Isolation Voltage 2.500 VAC (Between Input-Output, Input-Case, Output-Case)
Correction Tolerance ±%2 VAR
Capacitive Step Number 32 / 64 (for 75 KVAr 32 Steps, for more than 75 KVAr 64 Steps)
INPUT
Nominal Input Voltage 380/400 VAC (3 Phase)
Input Voltage Tolerance ±20%
Nominal Input Frequency 50 – 60 Hz (Optional)
Input Frequency Tolerance ±5%
Power Factor >0.8
Input Protection Thermal-Magnetic Overcurrent, Overvoltage ve EMI-RFI Filter
Momentary Voltage and Impact Protection IEEE 587 (4500 A, 110 Joules)
DIGITAL FRONT PANEL
Indicator ve Buttons 2 x 16 LCD Panel, Menu Choosing and Parameter Adjust Buttons
Warning Messages Input Voltages Normal/Overvoltage/Undervoltage,Input Fuse Open/Close,Overtemperature,Temperature Normal,Insufficient Correction,Over THD,Correction Normal,Communication Failure/Normal,Device Failure/Normal,Self Test Start/End
Monitorring Parameters Cos Fi L1/L2/L3, PF L1/L2/L3/Total, Input Voltages L1/L2/L3, Apperant Power (VA) L1/L2/L3/Total, Active Power(W) L1/L2/L3/Total, Reaktive Power (VAR) L1/L2/L3/Total
Adjustable Parameters Capacitive / Inductive Side Working,Date/Time ,Alarm Volume Level,Communication Address,LV/HV Operate
Voiced Alarm During Indication Messages in 2 seconds 2 short “Bip”
Communication Monitorring and Adjusting Parameters over Computer via RS-232 ve RS-485, 256 Event Logs, GSM communication (Option), TCP/IP
ENVIRONMENT
Cooling AC Fan (Standard) / Natural Cooling (Option)
Elektrically Noise Reducing FCC Part 15 Class B
Cabin Protection Level IP20 / RAL7035 as standard, (Higher IP rating and different colors are available, please consult)
Nominal Temperature -10 / +40 °C (Higher operating temperatures are available, please consult )
Relative Humidity 0 – 90%. Higher relative humidity are available, please consult
Working Height Maximum 1.000 Mt (Higher altitudes requires de-rating, please consult )
Noise Level Max. 60dB in 1 Meter Dıstance
Electrical Standarts EN 50091-1 (Safety) / EN 50091-2 (EMC)

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