Vertiv Liebert AF4 User Manual

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Vertiv™ Liebert® AF4

User Manual

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Page 1 Vertiv™ Liebert® AF4 User Manual...
Page 2 The products covered by this instruction manual are manufactured and/or sold by Vertiv. This document is the property of Vertiv and contains confidential and proprietary information owned by Vertiv. Any copying, use, or disclosure of it without the written permission of Vertiv is strictly prohibited.
Page 3: Table Of Contents
Vertiv™ Liebert® AF4 User Manual TABLE OF CONTENTS 1 General Instructions 2 Handling Instructions 3 Recommended Environmental Conditions 4 Electrical Installation Requirements 5 Maintenance Requirements 6 HMI Operating Instructions 6.1 Home 6.2 Oscilloscope 6.3 Harmonics 6.4 Phasor 6.5 Meter 6.6 Settings 6.7 Harmonics Selection (Harm.
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Page 5: General Instructions
• All the ratings and/or variants of Vertiv™ Liebert® AF4, (Active Filter) in their open-door condition on any side, have exposed live parts (holding/operating high voltage) such as components, PCBs, terminals, and cables.
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Page 7: Handling Instructions
The unpacked equipment should be physically inspected for any signs of apparent damage either during the transportation and/or handling. In case of any such signs, do not install the equipment, and inform the Vertiv service team accordingly. • Each Liebert® AF4 unit is equipped with 4 eye bolts on top. Once unpacked, an appropriate eye hook with sufficient loading capacity should be utilized to position the Liebert®...
Page 8 Vertiv™ Liebert® AF4 User Manual Figure 2.1 Eye bolt Figure 2.2 Lifting hook Figure 2.3 Lifting Liebert® AF4 using lifting-hook (Top View) 2 Handling Instructions...
Page 9: Recommended Environmental Conditions
Minimum requirements are 1000 mm at the front, 300 mm on all three sides, and 400 mm on top. • Approximate product weight and heat losses in the Liebert AF4 range are given in the table below: Table 3.1 Product weight and heat losses in the Vertiv™ Liebert® AF4...
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Page 11: Electrical Installation Requirements
Vertiv™ Liebert® AF4 User Manual 4 Electrical Installation Requirements • A provision for electrical isolation and protection for the Vertiv™ Liebert® AF4 should be kept upstream to the Vertiv™ Liebert® AF4 connection, for the use during emergency and maintenance periods.
Page 12 Vertiv™ Liebert® AF4 User Manual • All the connections and terminations should be made by a qualified electrical technician. Standard Vertiv™ Liebert® AF4 power connections will be as shown in the Figure 4.1 below: Figure 4.1 Power connections Denotation Description...
Page 13: Maintenance Requirements
Vertiv™ Liebert® AF4 User Manual 5 Maintenance Requirements • All the power and control supplies are to be kept in OFF condition, prior to any kind of service or maintenance activities. • Even during the OFF condition, one should strictly avoid any physical contact with the internal components/parts, to avoid the electrical shock due to charged capacitor banks inside.
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Page 15: Hmi Operating Instructions
Vertiv™ Liebert® AF4 User Manual 6 HMI Operating Instructions The Vertiv™ Liebert® AF4 is equipped with high-performance 7-inch capacitive touch TFT display-based Human Machine Interface (HMI). The same HMI is meant for product configuration, visualization of product and plant parameters, and waveforms. The Default HMI screen appears as below: Different functions of HMI are accessible through the following eight tabs: 1.
Page 16: Home
The following section provides the detailed description on functionality of each tab: 6.1 Home The Home tab is designed to display the real-time performance of the Vertiv™ Liebert® AF4 in terms of the following parameters: a) Current harmonics mitigation b) Basic power parameters of the electrical system c) Critical Vertiv™...
Page 17 Vertiv™ Liebert® AF4 User Manual The user can visualize the following parameters in real-time on the Home tab: • Supply frequency • True RMS values of three-line (R, Y and B) voltages (V-LL) and their respective THDs. 6 HMI Operating Instructions...
Page 18 Vertiv™ Liebert® AF4 User Manual • Three-Phase Active (P), Reactive (Q), and Apparent (S) Powers along with Displacement Power Factors (DPF): Power Parameters changes roll one after other. 6 HMI Operating Instructions...
Page 19 Vertiv™ Liebert® AF4 User Manual • True RMS values of three-phase (R, Y, B, and N) load currents and their respective THDs: • True RMS values of three-phase (R, Y, B, and N) source currents and their respective THDs: 6 HMI Operating Instructions...
Page 20 Vertiv™ Liebert® AF4 User Manual • True RMS values of three-phase (R, Y, B, and N) currents: • Internal DC bus voltage, and heat sink temperatures: 6 HMI Operating Instructions...
Page 21 Vertiv™ Liebert® AF4 User Manual • Auto Start: The “Auto Start” switch provided on the Home tab (on the left side of the Liebert® AF4 picture) controls the starting functioning of AHF (Active Harmonic Filters) in case of power cycling. When ON, AHF automatically starts in case of power resumption after the outage.
Page 22: Oscilloscope
Vertiv™ Liebert® AF4 User Manual 6.2 Oscilloscope The Oscilloscope tab is equipped with 15 channel real-time oscilloscope, for graphical visualization of AHF performance in mitigating the current harmonics. The following waveform groups are displayed in real-time on Oscilloscope tab: •...
Page 23 Vertiv™ Liebert® AF4 User Manual b. Un-zoom button (provided in the lower right corner): Pressing this button un-zooms the waveforms in case they are zoomed by the user. c. Horizontal zoom double-sided slider (provided below the waveforms window): By adjusting the slider position user can horizontally zoom all the waveforms as shown below.
Page 24 Vertiv™ Liebert® AF4 User Manual d. Box zoom: Users can zoom the particular area of the waveform by touching on the screen and dragging the finger to cover the rectangular area of interest as shown below. 6 HMI Operating Instructions...
Page 25: Harmonics
Vertiv™ Liebert® AF4 User Manual 6.3 Harmonics The Harmonics tab is designed for real-time analysis of individual harmonics present in the load as well as source current waveforms. The individual harmonics are shown in percentage with respect to fundamental current.
Page 26 Vertiv™ Liebert® AF4 User Manual The radio buttons provided on the right side of the screen, are meant for appropriate selection as desired. The following four different selection groups are provided: a. View Selection: • Graph View: The selection of this view shows the individual harmonic distortion of phase current/voltage (in line with other selections) graphically as a classical bar- chart.
Page 27 Vertiv™ Liebert® AF4 User Manual c. Quantity Selection: • Voltage: Checking this radio button selects grid voltages for harmonic analysis. • Source Current: Checking this radio button selects source currents for harmonic analysis. • Load Current: Checking this radio button selects load currents for harmonic analysis.
Page 28: Phasor
Vertiv™ Liebert® AF4 User Manual 6.4 Phasor The Phasor tab does provide real-time phasor diagrams as well as sequence components analysis. The two sets of radio button selections in the Phasor tab work as follows: a. Phasor diagrams: • V and IL: three-phase voltages vs three-phase load currents, and •...
Page 29 Vertiv™ Liebert® AF4 User Manual In addition to be above, percentage unbalance in the voltages, load and source currents shall also be shown in this Phasor tab: 6 HMI Operating Instructions...
Page 30: Meter
Vertiv™ Liebert® AF4 User Manual 6.5 Meter The Meter tab shows various electrical parameters of R, Y, and B phase in tabular form. User can drag the table rows using Vertical slider provided on the right side of table. All the parameters shown are true RMS values.
Page 31 Vertiv™ Liebert® AF4 User Manual Source apparent (phase-wise and total) powers (kVA) Load apparent (phase-wise and total) powers (kVA) True source (phase-wise and total) reactive powers (kVAR) True load (phase-wise and total) reactive powers (kVAR) ...
Page 32: Settings
After entering the password press the Enter button next to edit box, to unlock the harmonic selection screen shown below. NOTE: Please contact Vertiv representative to get your user password. 6 HMI Operating Instructions...
Page 33 The user password can be changed by clicking on “Change Password” button on Settings tab. Entering the user password will grant access to the AHF settings which can be altered by the user with the prior information/approval to Vertiv authorized installation engineer. 6 HMI Operating Instructions...
Page 34 Vertiv™ Liebert® AF4 User Manual The settings accessible through the user settings window has the following significance: • Voltage Ratio: The default value is 1. The same should be used as long as the CT feedback to the AHF is from LT side (400 V or 415 V or 433 V side). If the feedback CTs are placed on HT...
Page 35 Unlock Password: Each AHF comes with an one-time encrypted factory password which should be entered during the first AHF service, falling within 90 days from the AHF commissioning. Please contact Vertiv representative to get your Unlock Password. • AHF Rating: Rating of the AHF in Amperes. This is factory setting and cannot be altered.
Page 36 Vertiv™ Liebert® AF4 User Manual • CT Location: This is the critical setting in AHF configuration. When the main feedback CTs of AHF are measuring Load and AHF currents together, then “Source Side” setting should be selected. When the main feedback CTs of AHF are measuring Load currents only, and AHF power connections are upstream to this feedback CTs, then “Load Side”...
Page 37 Vertiv™ Liebert® AF4 User Manual • Priority: Through this setting, user will be able to prioritize the current harmonic mitigation and negative sequence unbalance current correction functionalities of the AHF. The AHF will use up to its full capacity to fulfill the user priority, and does the other correction only with the left-over capacity.
Page 38: Harmonics Selection (Harm. Sel)
After entering the user password press the Enter button to unlock the harmonic selection screen shown below. NOTE: Please contact the Vertiv representative to get your user password. This screen allows the user to select or deselect the harmonic order to be compensated by the AHF. The selection/deselection can be made by switching ON/OFF the switch corresponds to harmonic order by a gentle touch on the toggle switch.
Page 39: History
Vertiv™ Liebert® AF4 User Manual 6.8 History The History tab is user password (Level-1) protected to restrict any unauthorized access. To enter the password first, touch the edit box and enter the numeric user password using key pad provided below the screen.
Page 40 Vertiv™ Liebert® AF4 User Manual Following is the list of faults that Vertiv™ Liebert® AF4 would detect: • Voltage/current Surge – Check for any voltage transients in the system, resulting the current surges within the AHF • Voltage sensor error – Missing or an offset in the AC voltage sensor feedback.
Page 41: Technical Specifications
Vertiv™ Liebert® AF4 User Manual 7 Technical Specifications Table 7.1 Mechanical parameter Model Vertiv™ Liebert® AF4 Ratings (A) 30 A 60 A 100 A 150 A 200 A 300 A 400 A Dimension 560 x 540 x 600 x 640 x...
Page 42 Vertiv™ Liebert® AF4 User Manual Table 7.3 Product Specification Model Vertiv™ Liebert® AF4 Plant Input 30 A 60 A 100 A 150 A 200 A 300 A 400 A Conditions Power Semiconductor IGBTs Devices Peak Compensating 2.2 time RMS Value (No need of over sizing with VFD loads)
Page 43 Vertiv™ Liebert® AF4 User Manual Table 7.5 User Interface Model Vertiv™ Liebert® AF4 Plant Input Conditions 30 A 60 A 100 A 150 A 200 A 300 A 400 A HMI Display Type 7-inch Capacitive Touchscreen Display Remote Monitoring MODBUS/through Instaview software on USB port Additional Details ...
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Page 45 Vertiv™ Liebert® AF4 User Manual...
Page 46 Vertiv.com | India © 2023 Vertiv Group Corp. All rights reserved. Vertiv™ and the Vertiv logo are trademarks or registered trademarks of Vertiv Group Corp. All other names and logos referred to are trade names, trademarks or registered trademarks of their respective owners.