Ideal Power Stabiliti Series, Quick Start Manual

Page 1: ...Quick Start Guide Stabiliti Series 30 kW Power Conversion System PCS Model Numbers 30C 30C3 MAN 00114 Rev D ...

Page 2: ...ormation is constantly evolving and IPWR does not purport the information provided is correct comprehensive or exhaustive This document is for informational purposes only You should not act upon information without consulting IPWR or its authorized distributors Copyright 2016 Ideal Power Inc All rights reserved No parts of this document may be reproduced in any form without the express written per...

Page 3: ...12 DC2 and DC3 External Circuit Protection Disconnect 13 SECTION 5 0 MODBUS INTERFACE 13 PCS Configuration Control and Monitoring 13 Application Specific Register Settings 14 Modbus Register Assignments 15 Scaling Factors 18 Watchdog Timer 20 SECTION 6 0 CONTROL METHODS 20 AC1 Control Methods 20 DC2 DC3 20 Control Methods 20 Control Method Uses and Restrictions 20 SECTION 7 0 POWER FLOW SCENARIOS ...

Page 4: ...VIEW MODBUS TOOL 27 Table of Figures Figure 1 Control Board Low Voltage Connectors 7 Figure 2 30C3 AC1 Wiring Interconnection Board 11 Figure 3 30C3 DC2 and DC3 Wiring Interconnection Board 12 Figure 4 AC1 and DC2 DC3 Interconnect Boards 27 Table of Tables Table 1 AC1 Registers 15 Table 2 DC2 DC3 Registers 16 Table 3 Other Pertinent Registers 17 Table 4 Register Scaling Factors 19 ...

Page 5: ... support idealpower com for technical support as needed SECTION 2 0 SYSTEM SPECIFICATIONS Hardware Description The 30C3 PCS uses IPWR s proprietary Power Packet Switching Architecture PPSA to efficiently transfer and manage power flows amoung three power ports AC1 DC2 and DC3 AC1 is a 3 Wire 3 Phase AC power port DC2 is a DC power port typically dedicated to battery based energy storage systems DC...

Page 6: ...alled in a vertical upright position this includes testing and evaluation purposes Do not block cooling airflow to the bottom air intake filter or the exhaust output which is located on the upper door face of the unit Complete the mounting and installation following instructions in the Stabiliti Series Installations and Operations Manual MAN 00115 SECTION 3 0 LOW VOLTAGE WIRING Wiring Access The P...

Page 7: ...Voltage Connectors Shown in Figure 1 there are nine 9 low voltage interfaces on the Control Board From top to bottom in ascending order 1 AC Disconnect J8 2 E Stop Aux 24 V In J9 3 RS485 J10 4 Sync CAN J11 5 Transfer Switch J16 6 Ethernet J7 7 USB J13 8 Aux 24 V out J15 9 Arc Fault Interface J12 ...

Page 8: ... Ground pin 3 and Aux 24 V in pin 4 This external power supply is required to keep the control board awake when the PCS is black started in voltage forming mode The power supply also keeps the control board awake when transitioning between voltage following and voltage forming modes For applications that support only voltage following operation grid tied the supply is not required NOTE For initial...

Page 9: ... The CAN interface is reserved for future use 5 Transfer Switch 8 Pin Phoenix style connector J16 pin 1 Island 24 Vdc J16 pin 2 Island Return 24 Vdc Return J16 pin 3 Island Acknowledge Return 24 Vdc Return J16 pin 4 Island Acknowledge 24 Vdc To enable voltage forming islanded operation both pin 2 and pin 3 on J16 must be connected ground or left open Connect to 24 Vdc to ensure the system never at...

Page 10: ...otype PCS does not presently provide for retry of DHCP so a power cycle of the PCS is required if the 0 0 0 0 IP address is shown on the display To ensure correct address assignment connect the network to the PCS prior to applying power to the unit s Control Board NOTE Static IP addresses are not supported DHCP address assignment by the local network is required If DHCP is not available communicat...

Page 11: ...begin with a low voltage systems analysis first as described in the paragraph above Once the systems analysis is completed connect AC and DC power sources The Converter wiring compartments are accessed by eight hex screws which open the full sized 20 5 x 40 hinged front door High voltage AC1 connection points are located on the left bottom section of the Converter enclosure High voltage DC2 and DC...

Page 12: ...closure is correctly grounded by utilizing this connector for earth ground Contact support idealpower com regarding any questions you may have regarding available AC voltage and frequency options AC External Circuit Protection and Disconnect The Stabiliti must be installed with external circuit protection A 50 A 3 Phase 3 wire AC breaker rated at 480 Vac is commonly used for such purposes In some ...

Page 13: ...d circuit protection on their DC power ports A 1000 Vdc rated 100 A fused PV Disconnect is commonly used for such purposes However Ideal Power recommends that you confirm specific DC disconnect and safety requirements with your local Authority Having Jurisdiction AHJ SECTION 5 0 MODBUS INTERFACE PCS Configuration Control and Monitoring All Stabiliti Series Converters are configured monitored and c...

Page 14: ...ory to ensure that your revised defaults remain intact if power is lost Other registers such as those dedicated to port Control Methods and their related setpoints will be dynamically controlled by your external system controller These registers should NEVER be saved to flash This ensures that if AC power is disrupted or a hard system reset occurs the Converter will safely revert to its default ID...

Page 15: ...1_real_pwr_setpt uint16 R W 0 If p1_control_method 0x0402 or 0x502 real power setpoint while voltage following 69 p1_reactive_pwr_set pt uint16 R W 0 If p1_control_method 0x0402 or 0x502 reactive power setpoint while voltage following 70 p1_power_factor_set pt uint16 R W 0 If p1_control_method 0x0001 power factor setpoint otherwise unused need to define scaling factor 71 p1_voltage_setpt int16 RW ...

Page 16: ...r Table 2 DC2 DC3 Registers Addr Register Name Format Factory Default Comments 128 192 p2 p3_port_type uint16x R W 0x0002 DC port 129 193 p2 3_control_method uint16x R W 0 0x0000 IDLE 0x0001 NET 0x0002 MPPT 0x0301 DC CURRENT 0x0401 DC POWER 130 194 p2 p3_ramp_rate uint16 R W 50 IDLE not applicable NET not applicable DC CURRENT factory default current ramp rate 5 A per second DC POWER factory defau...

Page 17: ...et to 20 Vdc to eliminate nuisance under voltage faults for port configured to support PV 153 217 p2 p3_power_limit uint16 RW 3200 DC2 DC3 Soft Power Limit maximum 32 kW 154 218 p2 p3_current_limit uint16 RW 600 DC2 DC3 Soft Current Limit maximum 60 A 160 224 p2 3_port_status int16x RO b0 1 DC2 DC3 power limiting b1 1 DC2 DC3 current limiting b2 1 Throttling AC1 b3 1 Throttling DC3 DC2 173 237 p2 ...

Page 18: ...nitoring and management registers is detailed in a separate Applications Note 576 to 703 IEEE 1547a over under voltage and over under frequency setpoint registers All of the registers decimal addresses noted above are exposed to the user via the Modbus RTU or TCP interface and must be converted to hexadecimal by your system controller Additional registers are reserved for future support of SunSpec...

Page 19: ...import power discharging a battery The ramp rate command is a modifier of the power command defined above It limits the port ramp rate power current or voltage depending on selected Control Method A power ramp rate setting of 300 limits the ramp up or ramp down of the commanded port to a 3 kW second rate Type Scaling Factor Register Read Write Actual Value AC DC Port Voltage 1 unit 1 0 V 100 100 V...

Page 20: ...edicated Control Method register for each port of your PCS Each Control Method may also have one or two associated setpoint registers target output power output current and or output voltage as well as a separate ramp rate register which specifies how fast to move from an existing output power or current level to a new setpoint target The programmable ramp rate allows the PCS to smoothly ramp up o...

Page 21: ... current flows are maintained by the Converter independent of battery voltage with a DC port maximum current of 60 A MPPT Control Method 0x0002 The Maximum Power Point Tracking MPPT Control Method is used only when a PV array is connected to DC2 or DC3 Note that the pv_start_time registers and pv_stop_time registers define when the MPPT Control Method is enabled Start stop values in the range of 0...

Page 22: ...y voltage system will shutdown automatically if this voltage is sensed e Set p2_v_ll_min_limit minimum battery voltage at lowest SoC system will shutdown automatically if this voltage is sensed f Set p2_v_ll_max_limit maximum battery voltage at lowest SoC system will shutdown automatically if this voltage is sensed 3 Power down external 24 Vdc power supply and or open AC disconnect 4 Connect Batte...

Page 23: ... DC3 Battery stack voltages may be dramatically different However note that battery voltages 500 V will not allow full 30 kW transfers due to system DC current constraints The PWR Control Method works identically to the single battery example above AC Microgrid Using Single Battery AC1 FPWR DC2 IDLE DC3 NET This power flow example uses a 500 Vdc or higher battery connected to DC3 DC3 s battery wil...

Page 24: ...0 Vdc battery on DC3 Note that these DC port assignments are easily swapped Summing of PV and battery to support the AC1 microgrid load occurs when the available solar resource cannot support the microgrid alone due to low or highly variable irradiance Splitting occurs when the available solar resource exceeds the microgrid s load The PV Array connected to DC2 completely supports the microgrid and...

Page 25: ...ailable from DC2 is shunted to DC3 charging the DC3 battery Considerations During periods of high irradiance and modest export demand your system controller must proactively manage the DC3 battery State of Charge SoC This is accomplished by setting a lower soft power limit on the DC2 port curtailing PV power and preventing battery overcharging Adjust the soft power limit higher once batteries are ...

Page 26: ...ted to the grid and the system behaves as a PV Inverter Alternatively setting DC3 to the IDLE Control Method disables the PV power effectively creating a two port Battery Converter NOTE The DC Constant Current Control Method DCA may be an appropriate substitute for the Power Method when applied to the DC3 Port Battery Charging from PV and or Grid AC1 NET DC2 MPPT DC3 PWR Unlike the Demand Manageme...

Page 27: ...pported The factory default settings for the RS485 Modbus RTU serial interface are set identically for all IPWR products bus protocol RTU baud rate 19200 bps word size bits 8 parity even stop bits 2 The default slave address is 240 The Modbus Tool DOES NOT support Modbus TCP Figure 4 IPWR Modbus Tool Screenshot The Modbus Tool should be installed on your lab PC Installation instructions are provid...

Page 28: ...ous version with a 2013 date stamp The Modbus Tool WILL NOT run correctly until this update is complete The IPC_Modbus_Register_Map xls file further details the Converter s register structure including factory defaults register names register type and location Copy this file into the IPC Modbus Tool config folder replacing the previous version with a 2013 date stamp Use this file as a reference re...