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32 Chapter VII Communication Mode 

7.1.3Communication with BMS 

The  inverter  communicates  with  battery  management  unit  (BMS)  to  monitor  battery  state  information,  give  an 

alarm and provide fault protection for battery according to the battery state and improve the safety of storage 

battery. It supports CAN communication. In particular, the position number of CAN communication interface in the 

monitoring panel is J23. It is led to terminal strip ports 7 and 8.

 

Power

 Management

 Unit

LAN

USB

CAN L

CAN H

CAN GND

485_3B

485_3GND

485_3A

SD

J25

J23

From 

external 

BMS

 

 

CAN

BMS

 

 

Fig.7-4 Storage inverter and BMS communication 

7.2 Monitoring system structure 

Background  monitoring  system  can  operate  and  control  the  storage  inverter  via  computer  network.  This  has 

provided  great  convenience  for  learning  about  the  operation  of  energy  storing  station.  The  overall  structure 

diagram for monitoring system is shown in Fig.7-5. 

Содержание PWG2-100K

Страница 1: ...User s Manual PWG2 50K 100K EX Bi directional Hybrid Storage Inverter ...

Страница 2: ......

Страница 3: ...des its customers with all around technical support Users can contact Sinexcel s local office or customer service center or directly contact Sinexcel Headquarters Shenzhen Sinexcel Electric Co Ltd All rights reserved In case of any content change it shall be without prior notice Website www sinexcel com Add Building 6 Area 2 Baiwangxin High tech Industrial Park No 1002 Songbai Road Nanshan Distric...

Страница 4: ......

Страница 5: ...II Introduction to System 4 3 1 System composition 4 3 2 Technical parameters 5 3 3 Overall dimension 6 3 4 Description 6 Chapter IV Device Installation 8 4 1 Transport and storage 8 4 2 Removal 8 4 3 Open case inspection 9 4 3 1 Overview 9 4 3 2 Packing list 9 4 4 Installation requirements 10 4 4 1 Environment requirements 10 4 4 2 Ground requirements 10 4 4 3 Ventilation 10 4 4 4 Operation space...

Страница 6: ...2 1 Monitoring parameter interface 24 6 2 2 System parameter interface 25 6 2 3AC parameter interface 25 6 2 4DC parameter interface 26 6 2 5Parameter diagnosis interface 27 6 2 6Local strategy interface 28 6 2 7Control state interface 28 6 2 8Startup and shutdown interface 29 Chapter VII Communication Mode 30 7 1Communication interface 30 7 1 1RS485 serial port 30 7 1 2Ethernet port 31 7 1 3Commu...

Страница 7: ... operation If this kind of warning information is not followed it will directly result in a serious human casualty accident Warning This instruction indicates that there is a potential risk during operation If this kind of warning information is not followed it might result in a serious human casualty accident Attention This instruction indicates that there is a potential risk during operation If ...

Страница 8: ...tection AC overvoltage under voltage protection over frequency under frequency protection inverted sequence protection and output overload protection and can meet on off grid operation requirements The input side of storage inverter is single route input its output side is set with an isolation transformer and it can conduct low voltage on grid Battery bank PCS Grid DC distribution box AC distribu...

Страница 9: ...and erected in accordance with AS 3000 wiring regulation Make sure the neutral conductor of the Grid and load via stand alone port shall not interrupt Make sure the neutral conductor of the Grid and load shall be bonding to earth via earth bar Battery Bank PCS Solar Array A B C N PE U V W Essential Loads Grid Max output 100000VA N PE Neutral bar MEN connect Earth bar Essential Supply Grid Supply E...

Страница 10: ...elated to life support device Danger Any contact with copper bar contactor and terminal inside the device or connected with the loop of power grid might result in burning or fatal electric shock Don t touch any terminal and conductor connected with the loop of power grid Pay attention to any instruction and safety documents about power on grid Warning There might be an electric shock risk inside t...

Страница 11: ...designated by the manufacturer or the authorized service partner Otherwise it might endanger personal safety and result in device fault Any damage against the device caused thereby shall not be within the warranty scope 1 6 2 Equipment use scope The storage inverter is only used for commercial industrial purposes and it cannot be used as an energy saving device related to life support device 1 6 3...

Страница 12: ...prevail ...

Страница 13: ...or overall dimension of PCS AC module case and installation hole Fig 2 1 Overall dimension and installation diagram for PCS AC module Fig 2 2 is 3D view for front panel of PCS AC module Position Description 1 Normal indicator light 2 Fault indicator light 3 Hanger 4 Handle 5 Communication cable 6 Power supply cable Fig 2 2 Front 3D view for PCS AC module ...

Страница 14: ...odules 2 2 Overall dimension of PCS DC module Fig 2 3 is a diagram for overall dimension of PCS DC module case and installation hole Fig 2 3 Overall dimension and installation diagram for PCS DC module Fig 2 4 is 3D view for front panel of PCS DC module ...

Страница 15: ...front panel of the module cannot bear the load The front panel of PCS AC module has two LED lights namely one green Normal light and one red Alarm light When the device is in standby state the green light Normal flickers once every 1s When the device is in sleep state green and red lights are off When the device is in normal operation the green light Normal is always on When the device has a fault...

Страница 16: ...tning protector AC DC breaker and distribution units If on off grid switching is to be achieved extra power distribution unit STS needs to be added Fig 3 1 is a topological graph for its composition and structure Fig 3 1 Topological graph for Bi directional Hybrid Storage Inverter Main composition of Bi directional Hybrid Storage Inverter cabinet is shown in Fig 3 1 Table 3 1 Main composition of B...

Страница 17: ... 400 a c V Current maximum continuous 72 a c A 144 a c A Current inrush 86 a c A 172 a c A Frequency nominal 50 60 Hz 50 60 Hz Power maximum continuous 50000 W 100000 W Power factor range 0 8 0 8 Maximum output fault current 200 a c A 400 a c A Maximum output overcurrent protection 86 a c A 172 a c A a c input quantities Voltage nominal 400 a c V 400 a c V Current maximum continuous 151 a c A 303 ...

Страница 18: ...et width 800mm height 2 160mm without ring depth 800mm 故障 FAULT 电源 POWER 运行 RUN EPO 2160 800 800 Fig 3 2 Overall dimension of Bi directional Hybrid Storage Inverter 3 4 Description The appearance of storage inverter is shown in Fig 3 3 Screen body is mainly composed of touch screen normal indicator light alarm indicator light and emergency shutdown button etc 故障 FAULT 电源 POWER 运行 RUN EPO 4 1 2 3 5...

Страница 19: ...mple After opening the front door the internal plane layout is shown in Fig 3 4 Main components include module AC DC breaker and lightning protector Position Description 1 PCS DC 1 2 module s PCS AC 1 2 module s 2 PV DC switch 3 Battery switch 4 AC breaker load Fig 3 4 Internal plane layout diagram for Bi directional Hybrid Storage Inverter 1 2 4 3 ...

Страница 20: ...ies with the firefighting requirements Attention During transport and storage three modules can be stacked at most The front of module packing case the side with Bi directional Hybrid Storage Inverter printed should be placed upwards Keep it upright During cabinet transport and storage stacking is not allowed The device top cannot be placed with other articles The cabinet should be placed vertical...

Страница 21: ...spection needs to be conducted The inspection includes the following Check whether the items in the packing are consistent with real items Check whether the data of product nameplate is consistent with the contract including product model rated capacity and voltage grade Check whether the ex factory documents and accessories are complete Check whether the module of Bi directional Hybrid Storage In...

Страница 22: ...ilation The cooling mode of Bi directional Hybrid Storage Inverter is forced air cooling Every module has an independent heat dissipation channel The module heat dissipation mode is air inlet in the front and air outlet in the rear The cold air is inhaled from the mesh openings of front door of the cabinet After heat absorption the hot air is discharged from the mesh openings of rear door of the c...

Страница 23: ...niently insert and extract the module and operate the breaker B 1 000mm ensure that the rear door of the cabinet can be fully opened Ventilation and heat dissipation should be ensured Users can have sufficient space for maintenance Fig 4 3 Installation space of Bi directional Hybrid Storage Inverter 4 4 5 Other requirements 1 Waterproofing The protection grade of the cabinet of Bi directional Hybr...

Страница 24: ... When the cabinet needs to be fixed on the steel channel Φ14 holes can be made in the steel channel Fix the cabinet to the steel channel with screws as shown in Fig 4 5 Fig 4 5 Fix the cabinet to the steel channel Fig 4 6 Fix the cabinet to the concrete floor When the cabinet is fixed to the concrete floor make holes on the floor and fix the cabinet to the concrete floor with expansion screws as s...

Страница 25: ...orage Inverter is 3 phase and 4 wire When designing energy storing system the Bi directional Hybrid Storage Inverter has been equipped with an isolation transformer the voltage of its output side can directly be connected to the low voltage power grid 4 6 3 Wiring mode The Bi directional Hybrid Storage Inverter adopts the wiring mode of lower inlet and outlet The cables fall into the cable trough ...

Страница 26: ...C output A phase 7 AC output B phase 8 AC output C phase 9 N bar Note The bolt is M8 with a hole diameter of 8mm Fig 4 7 PWG2 100K cabinet wiring copper bars 4 6 4 System grounding The modules in Bi directional Hybrid Storage Inverter realize grounding connection with the cabinet through hangers As for cabinet grounding the cabinet bottom is installed with grounded cooper bars During wiring refer ...

Страница 27: ...mness Danger Disconnect DC distribution isolation switch and ensure that there is no dangerous voltage in the system during wiring Attention The positive and negative poles of batteries cannot be connected inversely Before wiring a multi meter needs to be used for measurement 4 6 5 AC side wiring 1 Use a phase sequence meter for measurement and ensure that the phase consequence of wires should be ...

Страница 28: ...power connection input and output of some node signals All of them are led to the terminal strips with cluster cables in the cabinet The port definition of external wiring for terminal strips is shown in Fig 4 10 BMS Fault Signal On Off grid Switch Node 1 On Off grid Switch Node 2 From external BMS To external RS485 From external AUX Power Fig 4 8 Definition of terminal strip ports Attention The P...

Страница 29: ...l Hybrid Storage Inverter inspection is conducted after the installation 1 The device should be placed and installed reasonably meeting safe distance requirements 2 Wiring should be correct at one time Lower leading wire and ground screen are in good connection The constructor is required to inspect the grounding resistance 3 Compare ex factory main wiring diagram and site wiring Check whether the...

Страница 30: ...ailure Failure cleanup Off grid to on grid On grid to on grid Fig 5 1 Operation state diagram for Bi directional Hybrid Storage Inverter Refer to Table 5 1 for operation state of Bi directional Hybrid Storage Inverter Table 5 1 Operation state of Bi directional Hybrid Storage Inverter Operation state Conditions State indication Standby DC switch is closed AC switch is closed and the device has no ...

Страница 31: ...ormal The voltage of power grid is normal in on grid mode or there is no voltage of power grid in off grid mode Operation mode setting is correct There is no other alarm fault If automatic startup is not set in Bi directional Hybrid Storage Inverter users can start the device by hands through touch panel 5 2 Startup and shutdown Bi directional Hybrid Storage Inverter must be installed completely a...

Страница 32: ... On LCD return to main wiring diagram and click AC DC module to shut down 2 Normally main monitoring indicator light flickers in green for about 30s 3 Disconnect DC breaker Q1 4 Disconnect AC breaker Q3 As for above operation process it has been shut down after step 2 is conducted The power components stop operating in system and BUS bar and auxiliary power supply in system still exist for a long ...

Страница 33: ...Chapter V Commissioning and Operation 21 warning label on module case surface ...

Страница 34: ...rning information LCD can also display the version information of system control software and internal monitoring software Attention The PWG series are already designed compliant to some European national and Australia New Zealand grid interaction codes Depending on the order the PWG series product will be configured at factory for the region where the project will be deployed 6 1 1 Main interface...

Страница 35: ...in interface Click login out to enter login interface enter login password 123456789 and enter main interface of super client In the main interface of super client display information includes main wiring diagram system information and event records Users can use such information to learn about current operation status historical operation data and fault records as shown in Fig 6 3 6 1 4 System in...

Страница 36: ...ent records In event records users can review current alarm history alarm operation record and state record in the system as shown in Fig 6 5 Fig 6 5 Interface of event records 6 2 Setting information Setting interface includes system setting startup and shutdown and control mode interfaces Default values in gray have been set for general parameters upon delivery Some parameters can be set accordi...

Страница 37: ...etting parameter items include boot mode on off grid mode and energy dispatching mode as shown in Fig 6 7 Fig 6 7 System parameter interface Boot mode please set it as manual boot Off on grid mode As for on grid operation close AC breaker Q2 and set on grid mode as for off grid operation disconnect AC breaker Q2 and set off grid mode Energy dispatching mode please set it as AC dispatching If DC di...

Страница 38: ...ameter interface Enter DC parameter As shown in Fig 6 9 main parameter settings are introduced as follows Fig 6 9 DC parameter interface DC Work Mode please set it as auto EOD V of Batt Prioritize the setting according to the manufacturer s recommendation Conduct setting according to the following data when manufacturer s data cannot be obtained Set 2V lead battery according to 1 67 1 80V number o...

Страница 39: ... the rated power of the machine according to the actual need It is valid only after energy dispatching mode in system parameter is set as DC dispatching and DC work mode is set as constant power mode CHRG DCHRG C Set charging and discharging current within the rated power of the machine according to the actual need It is valid only after energy dispatching mode in system parameter is set as DC dis...

Страница 40: ...arameter diagnosis interface 6 2 6Local strategy interface Enter local strategy Set operation power for different periods according to demand strategy This function is only valid in local auto mode under the interface of control mode as shown in Fig 6 11 Fig 6 11 Local strategy interface 6 2 7Control state interface Enter control state It includes local manual local auto remote control and lock in...

Страница 41: ...n the current parameter setting The parameter setting can be changed by remote control Lock Under this mode monitor and maintain the current parameter setting The parameter setting cannot be changed by remote control In case of no special requirements please set it as local manual mode 6 2 8Startup and shutdown interface Enter startup and shutdown interface to conduct manual startup and shutdown o...

Страница 42: ...ch screen Management Unit User interface can be seen at its back In particular the position number of RS485 communication interface in the monitoring panel is J23 It is led to terminal strip ports 9 and 10 Users can transfer serial port signal to the one which can be processed by PC via interface converter such as RS485 transferred to 232 The storage inverter is commissioned alone via background s...

Страница 43: ...itch and fixed IP needs to be set Connecting cables are twisted pair namely network cable The internet ports of multiple storage inverter are connected to the switch and the switch is connected to remote control computer The state of storage inverter can be monitored and controlled in real time by setting IP address and port number in the monitoring computer Fig 7 2 Ethernet communication scheme f...

Страница 44: ...f CAN communication interface in the monitoring panel is J23 It is led to terminal strip ports 7 and 8 Power Management Unit LAN USB CAN L CAN H CAN GND 485_3B 485_3GND 485_3A SD J25 J23 From external BMS CAN BMS Fig 7 4 Storage inverter and BMS communication 7 2 Monitoring system structure Background monitoring system can operate and control the storage inverter via computer network This has prov...

Страница 45: ...Chapter VII Communication Mode 33 IE access LAN RS485 LAN RS485 Fig 7 5 Structure diagram for background monitoring system ...

Страница 46: ...gular inspection on device s electrical and fixed part connection Such inspection is advisably conducted every three months Record for each inspection should be made Cabinet grounding connection Module grounding connection Electrical connection for DC input Electrical connection for AC input Electrical connection for auxiliary power supply Electrical connection for communication cables AC DC switc...

Страница 47: ...There is islanding in Bi directional Hybrid Storage Inverter Overvoltage of DC input Overvoltage of DC input is higher than the upper limit After faults are recovered restart the Bi directional Hybrid Storage Inverter Low DC voltage Overvoltage of DC input is lower than the lower limit After faults are recovered restart the Bi directional Hybrid Storage Inverter Abnormality of BUS bar voltage DC B...

Страница 48: ...not offer any quality assurance Transport damage The device is operated under the environment conditions beyond this user s manual or in severe condition The device is incorrectly installed refitted or used Users dismantle or assemble the device or system parts at will It is beyond the warranty period Product damage is caused by emergencies or natural disasters If customers require maintenance for...

Страница 49: ...Installation Records ...

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