KEHUA TECH BCS-B-H Series User Manual Download

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Power Conversion System

BCS-B-H Series (1000K-1500K)

User Manual

Summary of Contents for BCS-B-H Series

Page 1: ...Power Conversion System BCS B H Series 1000K 1500K User Manual...

Page 2: ......

Page 3: ...ibed in this document may not be within the purchase scope or the usage scope Unless otherwise specification in the contract all statements information and recommendations in this document are provide...

Page 4: ...for details please see the actual product Suitable Model BCS1000K B H 440Vac BCS1250K B H 550Vac BCS1500K B H 600Vac Symbol Conventions The manual quotes the safety symbols these symbols used to prom...

Page 5: ...ights reserved Kehua Data Co Ltd iii Symbol Description Be care electric shock prompting Provides a tip that may help you solve a problem or save time Provides additional information to emphasize or s...

Page 6: ...ements 4 1 1 5 Moistureproof Protection 5 1 1 6 Safety Warning Label Setting 5 1 1 7 Measure with Electricity 5 1 2 Requirements for Operator 6 1 3 Environment Requirements 6 1 4 Requirements for Esca...

Page 7: ...2 Installation Environment 23 3 2 3 Installation Clearance 23 3 2 4 Heat Dissipation Requirements 24 3 3 Transportation 25 3 3 1 ForkliftTransportation 26 3 3 2 Lift Transportation 26 3 4 Unpacking 27...

Page 8: ...Startup Procedure 62 5 2 Power Off in Emergency or Fault 63 5 3 Recover Normal Operation From Emergency Power Off 63 6 Routine Maintenance 65 6 1 Maintenance Guide 65 6 1 1 Machine Room Management 65...

Page 9: ...ion please read the announcements and operation instructions in this part which is to avoid accident The DANGER WARNING CAUTION in the manual are not all the safety announcements that must be abided b...

Page 10: ...ernal devices or circuit connection is safe Before checking or maintenance if the DC side and AC side is power down just now it is necessary to wait for 20 minutes to ensure the inner device is comple...

Page 11: ...in resident living it may cause wireless interference User should take actions to avoid the interference In case fire please use dry power fire extinguisher If using liquid fire extinguisher it may ca...

Page 12: ...lectricity generated by human bodies may damage the electrostatic sensitive components on boards Before touching the sensitive component please wear anti static rings and well connect the other end of...

Page 13: ...ing labels at the battery input end and AC input end of the PCS which is to avoid wrongly close and even cause accident Set warning label board or safety warning area which is to avoid irrelevant pers...

Page 14: ...of local nation and region Personnel under 14 years old and above 70 years old must not operate the power conversion system 1 3 Environment Requirements The used environment may influence the service...

Page 15: ...mance and can be used in grid tied and off grid system It can regulate and control the electricity resource effectively and balance the difference of used electricity in different seasons and day and...

Page 16: ...al current transformation charge and discharge the storage battery Can be charged in constant current or equalized charge mode or floating charge mode Can be discharged in constant power or constant c...

Page 17: ...DSP digitization technology each energy storage container battery can balance the capacity of themselves which make the battery capacity of each container the same When the system part fault it will e...

Page 18: ...00K 1500K User Manual 10 All rights reserved Kehua Data Co Ltd Figure2 3 Appearance 2 2 2 Operation Panel The operation panel of the PCS is as shown in Figure2 4 Figure2 4 Operation panel The descript...

Page 19: ...4 Touch screen Check the running parameters Check and change the work mode Check the fault information Check and change the time 5 EPO emergency power off button EPO button is used to disconnect the...

Page 20: ...se dismantle and put it into box behind the front door DC power switch is used to supply power from DC side to inner PCS AC power switch is used to supply power from AC side to inner PCS Distribution...

Page 21: ...rnal switches are disconnected DC Fuse DC fuse detailed position please see Figure2 7 is the protection of energy storage batteries and the PCS Once any serious fault occurs the fuse will fusing to en...

Page 22: ...aker must be disconnected While installing the AC breaker must be OFF While maintenance the AC breaker must be OFF and wait for 20min and make sure the voltage less than 10V which is to avoid electric...

Page 23: ...trol dry contact 9 BMS communication CAN H 2 10 BMS communication CAN L 3 Smog alarm 11 PC communication RS485 A 4 12 PC communication RS485 B 5 BMS control dry contact 13 CAN communication carrier sy...

Page 24: ...ctification and then charges the batteries The inversion output is that the batteries go through three phase half bridge inversion and the filter of output reactance L and AC filter capacitance C and...

Page 25: ...e d d i s c h a r g e Fault or press EPO button F a u l t o r p r e s s E P O b u t t o n F a u l t o r p r e s s E P O b u t t o n F a u l t r e m o v e d P r e s s O F F b u t t o n P r e s s O F F...

Page 26: ...constant current discharge In addition at the grid tied mode user can set the charge and discharge time through touch screen or upper computer When grid connected the PCS can track the grid frequency...

Page 27: ...collector computer Figure2 12 Computer monitor by RS485 When monitoring one or more the PCS by PC the communication mode adopts RS485 bus and there needs a RS485 RS232 electrical level convertor betw...

Page 29: ...ng the requirements for installing environment installation of the PCS electrical connection etc Only trained and qualified person with high voltage and AC power can install the PCS The PCS is just su...

Page 31: ...ion position must be stable and safe According to EMC and noise grade the PCS is used for industry environment so the installation position should be far away living quarters The temperature should be...

Page 32: ...nstallation space diagram 3 2 4 Heat Dissipation Requirements To ensure the PCS work in good status the installation space should be with good ventilation If the installation environment is closed spa...

Page 33: ...iagram for heat dissipation Please clean the dust and barrier on the air inlet and outlet regularly every 3 months The heat dissipation air flue should be designed by professionals When using heat dis...

Page 34: ...transporting the PCS by forklift it is necessary to keep the center of gravity in the centre of the two forks and the transportation process should be slow and steady When the PCS is lifted by forklif...

Page 35: ...ose as possible to the installation site Step 1 Check if the package appearance is in good condition and if there has any transportation damage If any damage please inform the carrier immediately Step...

Page 36: ...save properly Step 4 Check the PCS Inspect the appearance of the PCS and check if there has any damage caused by transportation If any damage please inform the carrier immediately Compare with the pac...

Page 37: ...the basis of actual condition For convenient wire installation and maintenance it is necessary to reserve corresponding wire groove the schematic diagram is as shown in Figure3 8 Figure3 8 Wire groov...

Page 38: ...on bolt on the ground by impact drill according to the installation holes size of pedestal as shown in Figure3 10 Figure3 10 Installation hole size of pedestal unit mm The drilling holes size of expan...

Page 39: ...nd and align the bottom installation hole at the expansion bolt Install the flat gasket 12 spring gasket 12 and lock the bolts To avoid toppling when move the PCS to floor the arm of forklift must be...

Page 40: ...n be selected according to actual condition but the total wire diameter of each phase cannot less than 1680mm AC Output U For each phase there must be 5 routes input at least and the wire diameter of...

Page 41: ...grounding wire go through the bottom wiring hole as shown in Figure3 13 and connect it to the grounding terminal bar as shown in Figure3 14 Figure3 13 Size of wiring area at the bottom Figure3 14 Grou...

Page 42: ...he grounding of the PCS must be connected to the grounding system directly and the impedance should be less than 20m PCS Grounding system Lightning rod Figure3 15 Grounding diagram Step 4 Connect the...

Page 43: ...practical use to grid connected It s recommended to use Dyn11 connection adopt D type connection way at the PCS side and Y type connection way at the grid side as shown in Figure3 17 The transformer s...

Page 44: ...BCS1500K B H should not exceed 1871A We suggest using bolt M16 to fasten DC wires corresponding torque is 750 1000 Kgf cm To ensure safety running of the PCS when wiring the fasten bolt must be led fr...

Page 45: ...nstallation clearance is with enough heat dissipation space to ensure normal work Check if the PCS is fixed to floor firmly Check if the wire connection is proper The anode and cathode on DC side is c...

Page 46: ...query Function Daily energy Month energy Running info History info System info System setting Com setting Battery setting Network Modbus 104 etc Log manager Screen setting ON OFF User log Fault histor...

Page 47: ...roduct as the standard 4 2 Main Page After power on the touch screen will enter initialization page as shown in Figure4 2 Figure4 2 Initialization page After initialization the touch screen will enter...

Page 48: ...ult to show the fault content Power current charge discharge power of the PCS Daily charged the accumulated charge capacity of current day Daily discharged the accumulated discharge capacity of curren...

Page 49: ...button as shown in Figure4 5 then click Login icon Figure4 5 Enter password page The user password includes two level limit For the initial password 111 user can change the password user can check th...

Page 50: ...age 4 4 ON OFF 4 4 1 ON When the PCS is off click icon in the default main page it will enter ON OFF control page as shown in Figure4 7 Figure4 7 Confirm to power on page Click OK to power on click Ca...

Page 51: ...ge click icon it will enter Energy Query page as shown in Figure4 9 The page contains daily energy query monthly energy query total energy Figure4 9 Charge discharge query page 4 5 1 Daily Energy In t...

Page 52: ...year you selected is current year the max month can be selected will be current month That is to say you cannot inquire the daily energy after the current year and current month After change the year...

Page 53: ...energy query page table When selecting Table you can select the year by pull down list to inquire the monthly energy in that year You cannot inquire the month power after the current year 4 5 3 Total...

Page 54: ...on In the default main page click icon it will enter the Function page as shown in Figure4 15 The function page includes the following contents running information historical information system inform...

Page 55: ...Data Co Ltd 47 Figure4 16 Running information page Click System to show the other running information as shown in Figure4 17 Here take the running information of Unit 1 as an example and the running...

Page 56: ...Running information page Click Battery the interface can switch to the battery running information page as shown in Figure4 20 Figure4 20 Battery running information page 4 6 2 History Information In...

Page 57: ...49 Figure4 21 History information page 4 6 3 About In the Function page click About icon the touch screen will enter the system information page as shown in Figure4 22 Figure4 22 System information p...

Page 58: ...ure4 23 Setting page Engineering setting In the Setting page click Engineering icon the touch screen will enter the engineering setting page as shown in Figure4 24 Figure4 24 Engineering setting page...

Page 59: ...age 1 Figure4 26 Common setting page 2 Table4 2 Setting range of common setting Parameters Setting range Mode auto switch Off Manual grid tied off grid mode Grid tied Off grid Initiative islanding Dis...

Page 60: ...rrent Unit 0 1A Emergency power Unit 0 1kW Fault recovery time Unit 1s Insulation detection Disable enable If the setting is failure the touch screen will show the setting failure prompting as shown i...

Page 61: ...the setting of battery over voltage protection equalized charge voltage floating charge voltage battery under voltage alarm battery under voltage protection battery heavy load voltage battery over vol...

Page 62: ...Kehua Data Co Ltd Figure4 30 Battery setting page 2 Profit set The profit setting page is as shown in Figure4 31 The page includes charge discharge time and electricity price setting Figure4 31 Profit...

Page 63: ...screen will pop up the corresponding warning prompting window as shown in Figure4 33 Figure4 33 Warning page The charge time and discharge time cannot be crosswise Electricity price set page is as sho...

Page 64: ...500K User Manual 56 All rights reserved Kehua Data Co Ltd Figure4 34 Electricity price set page 1 Figure4 35 Electricity price set page 2 If the time interval coincides the touch screen will pop up th...

Page 65: ...s shown in Figure4 37 In this page user can modify the communication parameter of network as shown in Figure4 37 Modbus as shown in Figure4 38 104 communication as shown in Figure4 39 Figure4 40 In th...

Page 66: ...communication setting page 1 Figure4 40 104 communication setting page 2 Screen setting In the Setting page click Screen icon the touch screen will enter the screen setting page as shown in Figure4 41...

Page 67: ...screen will enter the Figure4 42 Figure4 42 Log manage page After inserting the USB flash drive click the corresponding function icon battery power the historical log wave capture energy data can be...

Page 68: ...ration page When the total charge and total discharge value is not in accordance with the external meter user can correct the total charge and total discharge value the correction value of total charg...

Page 69: ...store settings will set the parameters in system setting to default Figure4 45 Confirm to restore default setting 4 7 Current Fault When there is any fault the touch screen will pop up the warning win...

Page 70: ...the cable connection between the PCS and grid and load is proper Confirm that the battery polarity is correct Confirm that the AC and DC wiring terminals are fastened 5 1 2 Startup Procedure DC electr...

Page 71: ...touch screen and then perform the startup procedure manually the PCS can start to work 5 2 Power Off in Emergency or Fault When in emergency or fault power off the PCS according to following steps Ste...

Page 73: ...ature humidity cleanliness static noise EMI meet the requirement and to ensure power supply properly The requirement of device management is to keep mechanical properties intact electric properties me...

Page 74: ...Save the data of software 1 Read the data on screen 2 Save the history power history log fault wave and energy data to USB disk 3 Check the parameters setting Every month System running status and en...

Page 75: ...rque mention in 3 6 2 Wiring 2 Check if there is damage on the power cables and control wires especially the surface touching with metal if damaged please maintain it in time 3 Check if the insulation...

Page 76: ...us 2 Imitate power off operation check if the communication signal of power off is normal 3 Check if the warning labels and other device labels on the PCS are damaged or obscure if yes please replace...

Page 77: ...th lots of sand and wind the maintenance period must be shorted 6 2 Safety Precautions To ensure human safety and equipment security observe the following precautions when maintaining the equipment Pl...

Page 78: ...s OK after disconnecting the power or it may damage the PCS Table7 1 Troubleshooting Phenomenon Possible reason Solution Battery over voltage Battery voltage exceeds the max allowable battery voltage...

Page 79: ...ng of control signal of DC buffer relay 3 Contact the manufacturer in time Emergency power off The EPO button is pressed down Confirm the pressed down reason of EPO button If it is pressed by mistake...

Page 80: ...id phase sequence abnormal The phase sequence of AC output wires is wrongly connected Check the phase of AC side and make sure that the phase sequence is corresponding to each wire Grid over frequency...

Page 81: ...DC power switch and then close them and restart the PCS if the problem still exist please contact the manufacturer in time Soft start abnormal Converter inner abnormal Contact the manufacturer in tim...

Page 82: ...ication abnormal 1 The wiring of remote communication is not in good connection 2 The address and baud rate of PCS is not in accordance with that of upper computer 1 Check if the connection of communi...

Page 83: ...ly Phase lock abnormal Grid abnormal Check the grid if the phase lock still abnormal after grid recover normal please contact manufacturer in time PCS hardware over current 1 AC output is short circui...

Page 84: ...ltage does not meet the charge requirement Battery voltage is higher than equalized charge voltage Contact the manufacturer in time Overload alarm The load power is larger than allowable power of the...

Page 85: ...PCS discharge completely maintain the external contactor Voltage ride through Grid abnormal Check the grid after the grid recover normal it will recover normal running Battery switch abnormal External...

Page 86: ...rough screen and then operate the switches or it may cause fault even damage the PCS Step 2 Switch off the breakers of all input and output which are connected to the PCS The capacitance inside the PC...

Page 87: ...according to the placement direction DO NOT carry the PCS with the objects that is inflammable explosive or corrosive DO NOT put the PCS in the open air while midway transshipment Leaching or mechanic...

Page 88: ...voltage range Vdc full load running 700 1100 800 1300 900 1300 Actual running 700 1450 800 1450 900 1450 Battery setting Over voltage point Vdc Settable default is 1450 Min discharge voltage Vdc Setta...

Page 89: ...0 Max output power kVA 1100 1375 1650 10min Rated output voltage 440 3 550 3 660 3 THDu 3 linear load Rated frequency Hz 50 60 Overload capacity of resistive load For 110 rated load long time running...

Page 90: ...H Series 1000K 1500K User Manual 82 All rights reserved Kehua Data Co Ltd Model Item BCS1000K B H 440Vac BCS1250K B H 550Vac BCS1500K B H 600Vac Environment temperature 30 65 50 derating Noise dB 80 S...

Page 91: ...List All rights reserved Kehua Data Co Ltd 83 B Fasten Torque List Specification Connection type M3 M4 M5 M6 M8 M10 M12 M16 Steel steel N m 0 7 1 1 8 2 4 4 4 8 7 8 18 23 34 40 60 70 119 140 The conne...

Page 92: ...ce Condition The replaced product must be returned to Kehua Company to dispose Reasonable time should be reserved for Kehua Company to maintain the fault device Disclaimer If any situation below occur...

Page 93: ...o improve users satisfaction continuously our product and User Manual is upgrading If the User Manual has difference with product it may be caused by the version difference please take the actual prod...

Page 94: ...ser Manual 86 All rights reserved Kehua Data Co Ltd D Acronyms and Abbreviations A AC Alternating Current D DANGER DC Direct Current DSP Digital Signal Processor E EPO Emergency Power Off M MPPT Maxim...

Page 95: ...onversion System BCS B H Series 1000K 1500K User Manual D Acronyms and Abbreviations All rights reserved Kehua Data Co Ltd 87 T THDi Total Distortion of the input current waveform U USB Universal Seri...

Page 96: ...4402 02858 005...

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