Safety Instructions This manual contains instructions for installation and use of active harmonic filters(AHF).Before the AHF is installed,it is important to have a thorough understanding of this manual and to review all the safety elements involved in order to avoid accidents and protect the safety of person and equipment. AHF is used in 0.4KV/0.69 power supply and distribution system,and it is strictly prohibited to work with electricity to avoid personal injury events.
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Be sure to read this manual carefully,understand the requirements of the device,and install the device according the relevant guidance to avoid problems such as device failure,ineffective governance,and device damage caused by installation problems.After the installation and commissioning of the device is normal,please keep this manual for future use. During the installation and commissioning of the AHF,the debugging personnel must take necessary precautions,strictly abide by the safety operation regulations,and use the correct debugging tools to prevent arc...
Part 1:Equipment transportation and storage 1.1 Equipment inspection and transportation 1) After the equipment shipment arrives at the site, please check the goods according to the delivery list. If there is abnormal conditions, such as damaged packaging, obvious deformation of equipment, and inconsistent quantity and equipment delivery list, please ask the carrier to sign and confirm, and contact us at once.
1.2 Equipment Storage 1) Avoid prolonged outdoor storage.Ensure that the indoor storage environment is dry, well-ventilated, and away from flammable, explosive, and corrosive substances,and should not have strong mechanical vibration and magnetic field. 2) Our active harmonic filter in the default packaging,the indoor storage time is up to 6 months (from the date of shipment).If you need to store longer,please specify in advance when ordering,we will provide the corresponding equipment packaging form.
Part 2:Installation and fixation 2.1 Environmental requirements 1) Before installing and fixing the equipment,ensure that the installation environment meets the operating requirements of the device to avoid device faults or efficiency reduction caused by external environments. 3) The installation environment must consider the heat dissipation of the active harmonic filter to meet the heat dissipation requirements of the device and avoid device operating efficiency reduction and device faults caused by poor heat dissipation.The active harmonic filter adopts forward air inlet and rear air outlet...
a. Keep away from excessively humid and high-temperature environments. b. The installation location needs to comply with fire protection requirements. c. The installation location of the equipment should be reserved enough space to conduct electrical wiring and equipment debugging. d. If there are serious problems such as dust and flotsam onsite,it is recommended to take special treatment of the installation environment of the AHF to avoid device damage or efficiency reduction.
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Name Remark Front panel AHF Module front panel Status indicator Device running status display Cooling Fan Handle (only for rack mounted AHF modules) Rack mounted module mounting fixed Rack mounting ear (rack mounted only) Cooling duct Main circuit input L1、L2、L3 terminal Neutral input terminal Ground wire input...
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0.4KV- Active Harmonic Filter Dimension Figure2-3 0.4KV- Dimension Table for Each Capacity of Active Harmonic Filter Wall mounted module Rack module dimension dimension 30A/50A 75A/100A 150A 30A/50A 75A/100A 150A UNIT:mm Table 2-2...
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0.48KV Active harmonic filter Dimension Figure2-4 0.48KV Dimension table for each capacity of Active harmonic filter Rack Module Dimension (UNIT:mm) 100A Table2-3 Wall mounted module dimension (UNIT:mm) 191.5 100A Table2-4...
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2.2.2 0.69KV- Active Harmonic Filter 0.69KV-Active harmonic filter is mainly composed of the following parts: Figure 2-5 Name Remark Status indicator Device running status display Front panel AHF Module front panel Rack mounted module mounting and Rack mounting ear fixing Rack mounted AHF module front Handle handle...
0.69KV- Dimension Table for Each Capacity of active harmonic filter Rack module dimension(UNIT:mm) Wall mounted module dimension(UNIT:mm) 100A Table 2-6 2.3 Installation and fixation nstallation and fixation. a. Rack mounted AHF i 1)Remove the packages of the device. 2)Place the AHF along with the mounting guide rail. 3)Connect the AHF to the power distribution cabinet using the fixing screws.
positions, and then secure the active harmonic filter using expansion bolts. 3. The wall-mounted module can be configured with a 4.3-inch controller. 2.4 Inspection After he installation and fixing of the active harmonic filter is completed, please be sure to check to ensure reliable installation. 1) All the position fixing screws have been fastened, no omission, loosening and other problems.
Part 3:Accessories selection 3.1 Current transformer Select the model of the current transformer strictly according to the instruction manual to ensure that it meets the requirements of the device. The external current transformer has a minimum allowable ratio of 150:5 and a maximum allowable ratio is 8000:5.
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Corresponding capacity cable Rated voltage Capacity selection specifications 30A/50A 25mm² 0.4KV 75A/100A 35mm² 150A 50mm² 0.48KV 100A 35mm² 0.69KV 100A 35mm² b. When the cable length is less than 15m, RVVSP 2 x 2.5mm shielded twisted pair cables are recommended. When the cable length is between 15m and 30m, RVVSP 2 x 4mm shielded twisted pair cables are recommended.
Part 4:Electrical wiring 4.1 Electrical environment Electrical environments requirements Before connecting the device to the power supply and distribution system, specify the electrical parameters of the power supply and distribution system. a. Rated voltage:AC 0.4KV;AC 0.48KV;AC 0.69KV b. Rated frequency:50Hz/60Hz; c.
Purpose Terminal No. Purpose Terminal No. DC 24V 24V、GND Neutral Line Auxiliary power supply Main loop RS485 L1、L2、L3 485A、485B incoming line Communication 485A、485B terminal Current CT1/CT1N 8421 sampling CT2/CT2N Dip switch Communication input CT3/CT3N Table 4-1 4.3 Electrical wiring Safety operation To ensure the normal operation of the device and good compensation effect, please strictly follow the design drawings and device installation instructions for wiring, and strictly follow the safety operation process for electrical wiring...
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Figure 4-2 c. After electrical wiring is completed, verify that the phase sequence of the main power cable connection is correct, the phase sequence of the current sampling transformer cable connection is correct, and the phase sequence between the power loop and the current transformer loop is consistent. d.
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Figure 4-3 e. After completing the wiring, please make sure to check all cables to ensure that the connections are tight, that there are no short circuits between phases of the main power circuit, that there are no open circuits on the secondary side of the current sampling transformer, and that there are no loose or false connections on any of the cables, in order to avoid heat generation due to poor contact or high voltages due to open circuits, which could result in fires...
4.4 Check electrical connection 1) All cables are firmly connected, no false connections, loose problems. 2) All cables are clearly marked, supporting electrical drawings, please be sure to properly store. 3) All AHF modules, voltage and current sampling loops, L1/L2/L3 in right phase sequence.
Part 5:HMI Interaction system Device debugging Before the commissioning of the equipment on the power, we must confirm that all external wiring is reliable and clearly labeled, strictly comply with the requirements of safe operation, the use of tested and reliable tools and protective gear, good protection of personnel, to prevent equipment damage and personal injury accidents.
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Figure 5-1 When multiple modules (two or more modules) are installed in the cabinet, the RS 485 communication address of all AHF modules must be unique. Otherwise, device communication may be abnormal. Decimal/binary conversion (8421 code) Decimal Binary Decimal Binary 0001 0100 0010...
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Chinese and English switching column (CN/EN). At the bottom is the system function menu bar,which is divided into 7 functions. Figure 5-2 Function Definition Detailed Real-time electrical parameters of the active harmonic data filter module are queried. Data Query monitor total operating electrical...
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The middle position of the interface, displaying the electrical structure of the system,the number of AHF modules under management,and real-time electrical data. Figure 5-3 The upper section displays real-time current and voltage data of the system. Name Definition Left side current data System real-time current value after compensation.
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The bottom section displays the real-time detailed electrical data of the system. Name Definition Real-time output total compensated current amplitude of OUT I all AHF modules. A/B/C 3 phase (A) Load side real-time reactive current value. A/B/C 3 phase Load Q Load PF Load side real-time power factor.
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Figure 5-4 C.Parameter setting interface:Set the parameters of all AHF modules under the MCGS centralized monitoring controller. Figure 5-5...
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Click the "OFF" button after "Device 1" and "Device 2" on the left. When "OFF" is changed to "ON", the corresponding communication channel is successfully enabled.According to the actual number of modules connected to the system, the corresponding communication channel is enabled. After the communication channel is successfully opened, the corresponding information of the rated capacity of the active harmonic filter "100A", the DC bus voltage "750V"...
5.2 Single module touch screen OS (optional) Data Setting Please set the electrical parameters of the equipment strictly based on the site electrical environment data. Please be sure to confirm equipment operation mode, function selection and other parameters according to the site electrical environment parameters before putting them into use.
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Bottom of the screen (Figure 5-7): Function Definition For setting device parameters Settings Displays real-time electrical data of the system and State operational data of the device Displays real-time harmonics and their current values for Details both load side and grid side of the three phases Displays real-time device alarm information, as well as Alarm history for alarms...
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Figure 5-9 Setting option definition Setting Definition Setting Definition Device work mode. Three-phase imbalance 0: Full manual start mode, compensation output coefficient. 1: Automatic start when power Unbalance Mode 0: No Compensation. After the device run well, please 50: 50% Compensation. set mode to 1, Once power 100: 100% Compensation.
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Coefficient for reactive power The percentage of harmonic compensation. compensation. Ampli. Closeloop 0: Open loop mode Choose the heaviest harmonic orders and set the value to 100 1: Close loop mode Reactive power output target Reactive power output target value when the load is value when the load is capacitive.
5.3 Operation 5.3.1 Data inspection After parameter setting, click the "Close" button to return to the main monitoring interface of the centralized monitoring controller. Firstly, confirm the grid voltage and frequency displayed by the centralized controller, ensure that the relevant sampling data of the equipment is consistent with the reality, and that the grid current is consistent with the load current, as well as the grid THD is consistent with the load THD.
reactive power compensation is turned on, the "Grid PF" will be increased accordingly if the equipment capacity is sufficient, and other data will remain the same as before the equipment is turned on. Through the "Detail","waveform" and "Spectrum" data,view the harmonic content after compensation, and harmonic compensation effect.
Part 6:Site Commissioning Step 1:Check if all wiring is correct( primary phase sequence,secondary side CT current transformer wiring per phase circuit should be S1connected to CT1,S2 connected to CT1N,confirm if 24V power supply and communication access between controller and module is correct). Step 2:There is dip switch at the left side of the terminal bar,set the module from top to bottom.
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②Enter the parameter setting interface (password:9345).There are two pages for parameter setting.On the first page,open the channel of device 1 and device 2 (after device 1 and device 2,or there is red ON in English to indicate that the channel is open,and OFF to indicate that the channel is closed).After opening the first two channels,you will find that the amplitude corresponding to 5 and 7 times is 100,and the other times are 0.On the second page,the working mode,reactive power coefficient and unbalance coefficient are...
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Data setting 1: Data setting 2: *CT Ratio setting should take the CT primary value. The default secondary value is 5A.
Part 7:Maintenance Maintenance All equipment maintenance and trouble shoot should be conducted strictly based on instructions, and must be conducted after the power is off to avoid personal injury accidents. a. All equipment maintenance and repair work must be carried out under the condition of power failure,please ensure that the main circuit switch of the equipment is disconnected,no person is in danger of electric shock,the equipment can be overhauled,and the power supply can be reconnected after all...
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