Related Manuals for Sinexcel PWS1-NA Series
Summary of Contents for Sinexcel PWS1-NA Series
- Page 1 User's Manual PWS1-NA Series Bi-directional Grid-support Utility-interactive Energy Storage Inverter...
- Page 2 Filed in: March 15, 2017 BOM code: A81150292 Applicable to: PWS1-50K/100K/150K/250K-NA Shenzhen Sinexcel Electric Co., Ltd. (“Sinexcel”) provides its customers with all-around technical support. Users can contact Sinexcel local office or customer service center or directly contact Sinexcel Headquarters. Shenzhen Sinexcel Electric Co., Ltd.
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Page 3: Table Of Contents
Contents Chapter I Overview ..................1 Model definition ..................................1 Symbolic interpretation ..............................1 System application ................................2 Important Safety instructions ............................3 Precautions ....................................4 Personnel requirements .............................. 4 1.5.1 Equipment use scope ..............................5 1.5.2 Rack label ..................................5 1.5.3 Description .................................. - Page 4 System grounding ..............................21 4.6.4 DC port wiring ................................22 4.6.5 AC port wiring ................................22 4.6.6 Wiring of terminal strips ............................23 4.6.7 Check after installation ..............................24 Chapter V Commissioning and Operation ..............25 Status ...................................... 25 Automatic startup ..............................26 5.1.1 Startup and shutdown ..............................
- Page 5 Monitoring system structure ............................41 Chapter VIII Maintenane and Preservation ..............43 Operation environment requirements ........................43 Electrical and fixed connection inspection ........................ 43 Clearing and cleaning ............................... 43 Appendixes ....................44 Appendix 1: Fault information of storage inverter ........................44 Appendix 2: Quality assurance and after-sales service ......................
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Page 6: Chapter I Overview
Chapter I Overview Model definition This section introduces product model definition in this user’s manual. PWS1 For North America Rated Power: 50 to 250K Bi-directional ES Inverter Fig. 1-1 Product model definition For example: PWS1-100K-NA: 100kW bi-directional grid-support utility-interactive storage inverter (for North America) Symbolic interpretation Danger This instruction indicates that there is a safety risk during operation. -
Page 7: System Application
Symbol Explanation Risk of burns Operation after 10 minutes Read the manual ETL mark. The Storage Inverter complies with the requirements of the applicable UL 9540 guidelines. System application energy storage system is composed of battery, storage inverter and AC distribution unit. Batteries are input to the storage inverter after series-parallel connection of batteries. -
Page 8: Important Safety Instructions
Important Safety instructions This user’s manual is about installation and use of Sinexcel PWS1 series 50~250kW energy storage inverter. Before installation, please read this user’s manual carefully. The storage inverter must be commissioned and maintained by the engineers designated by the manufacturer or the authorized service partner. -
Page 9: Precautions
Warning—large leakage current Before connecting input power supply, please ensure that the grounding is reliable. The device must be grounded complying with the local electric codes. Warning When storage battery is connected to storage inverter, there is DC voltage at input port. Please pay attention to it during operation. -
Page 10: Equipment Use Scope
thereby shall not be within the warranty scope. 1.5.2 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. 1.5.3 Rack label Rack label contains important information for safe operation of rack. Don’t tear it up or damage it. S Ensure that the rack label is clear and readable. -
Page 11: Chapter Ii Introduction To Modules
Chapter II Introduction to Modules 2.1 Overall dimension of PCS-AC module Fig.2-1 is a diagram for overall dimension of PCS-AC module case and installation hole. Fig. 2-1 Overall dimension and installation diagram for PCS-AC module Position Description Normal indicator light Fault indicator light... - Page 12 The handle on the front panel of the module cannot bear the weight. 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.
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Page 13: Chapter Iii Introduction To System
Chapter III Introduction to System 3.1 System composition PWS1-50K/100/150K/250K storage inverter is composed of 1 or multiple set(s) of PCS-AC modules. The modules identify master-slave systems through the dial-up codes on the panel. #1 is a master system, while other modules track the master system. - Page 14 Table 3-2 Technical parameters PWS1-50K-NA PWS1-100K-NA PWS1-150K-NA PWS1-250K-NA AC parameters Rated output 50kW 100kW 150kW 250kW power Wiring mode 3-phase and 4-wire system (including transformer) Output overload 55kW 110kW 165kW 275kW capacity On/off-grid switch ≤ 80ms (For shorter time, it can be customized.) time Utility-Interactive AC voltage...
- Page 15 Active power accuracy Inactive power accuracy Stand-alone Rated output 480Vac voltage Rated output 60Hz frequency (Hz) DC parameter DC voltage range 650V (500V-850V) DC input/output 100A 200A 300A 500A current Rated DC power 50kW 100kW 150kW 250kW Charging mode of It can charge and discharge with constant current and power and supports three-section on-grid charging (pre-chargeequalized chargefloating charge).
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Page 16: Overall Dimension
3.3 Overall dimension The overall dimension of the storage inverter is shown in Fig.3-2. The PWS1-50K/100K/150K Rack, width: 800mm, height: 2,160mm (without lifting rings); depth: 800mm. The PWS1-250K Rack, width: 1200mm, height: 2,160mm (without lifting rings); depth: 800mm. 电源 /POWER 运行... -
Page 17: Appearance Description
电源 /POWER 运行 /RUN 故障 /FAULT 1200 Fig. 3-2 Overall dimensions of storage inverter 3.4 Appearance description The appearance of the 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. Position Description Power indicator light... - Page 18 Position Description PCS-AC module (1~3 module(s)) Battery switch AC breaker (load) Fig. 3-4 Internal layout diagram for PWS1-50~150K-NA storage inverter...
- Page 19 Position Description PCS-AC module (1~5 module(s)) Battery switch AC breaker (load) Fig. 3-5 Internal layout diagram for PWS1-250K-NA storage inverter...
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Page 20: Chapter Iv Device Installation
Chapter IV Device Installation 4.1 Transport and storage Rack and module of the storage inverter are packed separately in the packing cases. That is, multiple modules and a rack packed separately in the packing cases. During device transport and storage, pay attention to the logo on the packing case. The storage inverter is modularly designed so as to facilitate device positioning and transport. -
Page 21: Open-Case Inspection
Before the rack is moved, please ensure that the module is fixed stably. 4.3 Open-case inspection Overview 4.3.1 Before installation of storage inverter, open-case inspection needs to be conducted. The inspection includes the following: Check whether the items in the packing are consistent with real items. ... -
Page 22: Ventilation
Ventilation 4.4.3 The storage inverter is forced air-cooling. Every module has an independent ventilation route. 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 rack. After heat absorption, the hot air is discharged from the mesh openings of rear door of the rack. -
Page 23: Other Requirements
Rat-proofing After wiring, fireproofing mud should be used to seal inlet and outlet holes so as to meet the rat-proofing requirement. Fireproofing mud is not provided by Sinexcel. 4.5 Rack installation After the rack is removed to the installation position of energy storing deice with a forklift or a tool. Fine adjust the rack and remove it to the designed position, open the internal door of rack, use M13 screw to fix the rack. -
Page 24: Electrical Connection
When the rack needs to be fixed on the steel channel, Φ14 holes can be made in the steel channel. Fix the rack to the steel channel with screws. Fixed screw Channel steel Cable groove Fig. 4-4 Fix the rack to the steel channel Fig. -
Page 25: Output Reqirement
Output reqirement 4.6.2 The output of the storage inverter is 3-phase and 4-wire. When designing energy storage system, the storage inverter has been equipped with an isolation transformer, the voltage of its output side can directly be connected to the low-voltage utility grid. -
Page 26: System Grounding
Position Description A/L1 B/L2 C/L3 Fig. 4-11 PWS1-150K-NA rack wiring copper bars Position Description A/L1 B/L2 C/L3 Fig. 4-12 PWS1-250K-NA rack wiring copper bars 4.6.4 System grounding The modules in the storage inverter realize grounding connection with the rack through hangers. As for rack grounding, the rack bottom is installed with grounded cooper bars. -
Page 27: Dc Port Wiring
Notice that the ac output neutral is not bonded to ground. Copper PE line section recommendation Rated power (mm²) 50kW ≥16 100kW ≥25 150kW ≥35 250kW ≥45 Warning Rack and modules need to be grounded reliably! DC port wiring 4.6.5 1) Use a multi-meter to measure the voltage of storage battery port, and ensure that the voltage is within input voltage range of storage inverter. -
Page 28: Wiring Of Terminal Strips
consequence. 2) Disconnect AC output distribution switch Q2 at back level in storage inverter. 3) Use a multi-meter to measure and ensure that the cables connected to the terminals are electrically neutral. 4) During on-grid, A(L1)/B(L2)/C(L3) phases of AC output distribution switch Q2 of utility grid and PE are respectively connected to A(L1)/B(L2)/C(L3) phases of utility grid and PE. -
Page 29: Check After Installation
4.7 Check after installation After installation of 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. -
Page 30: Chapter V Commissioning And Operation
Chapter V Commissioning and Operation 5.1 Status After external wiring of the storage inverter is completed, and wiring is fully checked, close the breaker in AC port. The storage inverter can be switched in different modes under the conditions in Fig.5-1. Sending power-on Stand Power... -
Page 31: Automatic Startup
Automatic startup 5.1.1 In automatic startup, the storage inverter system will automatically inspect and judge startup conditions. If the system function is normal and it meets the system setting conditions, it will start automatically. If the voltage of utility grid is too low or high, the frequency is abnormal, DC voltage is too low or high, the storage inverter will make an alarm, shut down automatically and stop providing power outside. -
Page 32: Shutdown Steps
Shutdown steps 5.2.3 During normal operation of storage inverter, the following steps can be conducted if shutdown is required. 1) On THE HMI, 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. -
Page 33: Chapter Vi Operation Control Display Panel
Chapter VI Operation Control Display Panel 6.1 Operation instructions Operation control can be conducted via HMI (human-computer interface). This section introduces the HMI display content and settable parameters. Main monitoring startup 6.1.1 After auxiliary power of the storage inverter is connected, THE HMI is on. At this moment, an initializing interface will appear. It shows that the system is booting. -
Page 34: Information
6.3 Information Fig. 6-3 System information In the Info pages, administrators can obtain the overview of the entire system operation parameters. 6.4 Logs Fig. 6-4 Logs In logs page, users can review current alarm, past alarm, operation record, status record of the system, and operation curves. -
Page 35: Settings
6.5 Settings 6.5.1 Local Fig. 6-5 Local settings In this page, system time, communication baud rate and IP address, etc. can be set. Model 6.5.2 This page is reserved for other models. 6.5.3 System Fig. 6-6 System parameter interface Boot mode: default set “manual”. Energy Management mode: please set it as “AC”. -
Page 36: Ac Settings
AC settings 6.5.4... - Page 37 Fig. 6-7 AC settings...
- Page 38 AC operation mode: to set the operation mode, constant power or constant inactive power. PF: set to regulate the PF of the entire storage system Power configuration: Set to regulate the power of the storage system Q configuration: Set to regulate the inactive power of the storage system Grid reconnection delay: please keep the default configuration.
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Page 39: Dc Settings
Volt/Watt point: to set the Volt/Watt trigger threshold. Volt/Watt ramp rate: to set the ramp rate when Volt/Watt is triggered. Volt/Watt delay: to set the output power restore time delay after the utility voltage restores normal. 6.5.4.4 Freq/Watt Available when activated and operating in discharge mode. When the actual frequency is above the point, the active power will be regulated with the ramp rate. -
Page 40: Ac Debug
Equal CHRG V: 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 2.20~2.27V* number of batteries in series; set 3.2V lithium batteries according to 3.60~3.70V* number of batteries in series. E/C to F/C I: Prioritize the setting according to the manufacturer’s recommendation. - Page 41 Fig. 6-10 On/Off After parameters are set and startup condition is met, machine startup and shutdown can be operated via “Sys ON” and “Sys OFF”.
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Page 42: Control Mode
6.7 Control mode Enter “ctrl mode”. It includes “Local manual”, “Local auto”, “Remote control” and “Lock out” functions. Fig. 6-11 Control mode Local manual: Set parameters on the monitoring screen to control machine operation. Local auto: It is used with “local auto”. Under this mode, monitor and maintain the current parameter setting (unchangeable), and operate according to the period for “local auto”—power configuration. -
Page 43: Log In/Out
6.9 Log in/out Fig. 6-13 Login page Click “login/out” to enter login page, enter login password 123456789 and obtain administrator authority. -
Page 44: Chapter Vii Communication Mode
Chapter VII Communication Mode 7.1 Communication interface The storage inverter supports Modbus protocol, adopts RS485 and Ethernet communication interface and facilitates users to conduct background monitoring for the storage inverter and realize remote signaling, remote metering and remote regulating of storage inverter. 7.1.1 RS-485 port The front door of the storage inverter is embedded with touch screen Management Unit. -
Page 45: Ethernet Port
Ethernet port 7.1.2 The monitoring panel integrates Ethernet port with position numbered as RJ25. It supports Modbus TCP/IP protocol and has its own IP address like a PC. Ethernet connection requires a switch, and fixed IP needs to be set. Connecting cables are twisted pair (namely network cable). -
Page 46: Monitoring System Structure
Power CAN L Management From CAN H Unit CAN GND external 485_3A 485_3B 485_3GND Fig. 7-4 Energy 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. -
Page 48: Chapter Viii Maintenane And Preservation
Chapter VIII Maintenance and Preservation 43 Chapter VIII Maintenane and Preservation 8.1 Operation environment requirements Device operation environment must comply with the operation environment required for the device: ℃ Allowable environment temperature: -20~55℃ (power de-rating for 45 above) Allowable relative humidity: 0~95% (non-condensing) ... -
Page 49: Appendixes
Appendixes Appendix 1: Fault information of storage inverter Table 9-1 presents the visible fault types of storage inverter. From this table, users can simply and quickly identify the system faults from the fault types displayed on touch screen. In multiple module parallel system, the warning information interface will indicate the number of fault slaves and fault type. -
Page 50: Appendix 2: Quality Assurance And After-Sales Service
2) Disposal of claim products The replaced nonconforming products will be disposed by Sinexcel. Users should properly store the claim products. As for the products requiring repair, users should give reasonable and sufficient time. We apologize for any inconvenience caused to you. -
Page 51: Installation Records
Installation Records ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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