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CE+T Power STABILITI 30 KW Series Quick Start Manual

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STABILITI SERIES 30 KW
Quick Start Guide V1.0
SMART POWER CONVERTION FOR THE ENERGY REVOLUTION
•
AVAILABLE IN MULTIPORT (AC/DC/DC) AND DUAL PORT (AC/DC) VERSIONS
Stabiliti 30C3: AC/DC/DC
Stabiliti 30C: AC/DC
•
INTEGRATES SOLAR AND STORAGE IN ONE COMPACT ENCLOSURE
Simplifies system installation, maintenance and control
•
SUPPORTS WIDE RANGE OF ENERGY MANAGEMENT APPLICATIONS
AC Microgrids
DC Microgrids
Peak Shaving and Energy Arbitrage
Electric Vehicle Support Equipment "EVSE"
•
PROVIDES GALVANIC ISOLATION BETWEEN AC AND DC PORTS
Extends Battery Life
Enhances Safety
Copyright © 2023. Construction electroniques & telecommunications S.A.
All rights reserved. The contents in document are subject to change without notice.
The products presented are protected by several international patents and trademarks.
Address: CE+T S.a, Rue du Charbonnage 12, B 4020 Wandre, Belgium
www.cet-power.com - info@cet-power.com
Contact us:  www.cet-power.com
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Summary of Contents for CE+T Power STABILITI 30 KW Series

  • Page 1 STABILITI SERIES 30 KW Quick Start Guide V1.0 SMART POWER CONVERTION FOR THE ENERGY REVOLUTION • AVAILABLE IN MULTIPORT (AC/DC/DC) AND DUAL PORT (AC/DC) VERSIONS Stabiliti 30C3: AC/DC/DC Stabiliti 30C: AC/DC • INTEGRATES SOLAR AND STORAGE IN ONE COMPACT ENCLOSURE Simplifies system installation, maintenance and control •...
  • Page 2 ©Copyright 2023, CE+T. All rights reserved. No parts of this document may be reproduced in any form without the express written permission of CE+T. CE+T, and the CE+T Power logo are trademarks of CE+T Power. All other trademarks and service marks belong to their respective owners.

  • Page 3: Table Of Contents

    Table of Contents 1. Introduction to CE+T ............................... 2. Glossary of Terms ..............................3. Introduction ................................Purpose, Scope, and Audience ......................... Important Notes Before Starting the PCS ....................4. System Specifications ............................. Stabiliti 30C Dual Port ..........................Stabiliti 30C3 Multiport ........................... Product &...
  • Page 4 Automatic Mode and Manual Mode ......................26 Control Method Uses and Restrictions ...................... 27 9.4.1 IDLE Control Method (0x0000) ....................27 9.4.2 NET Control Method (0x0001) ....................27 9.4.3 DC Power Control Method (0x0401) ..................27 9.4.4 DC Current Control Method (0x0301) ..................27 9.4.5 MPPT Control Method (0x0002) ....................

  • Page 5: Introduction To Ce+T

    Introduction to CE+T 1. Introduction to CE+T CE+T Power designs, manufactures, and markets a range of products for industrial operators, with mission critical applications, who are not satisfied with existing AC backup system performances and related maintenance costs. Our product is an innovative AC backup solution that unlike most UPS’s available.

  • Page 6: Glossary Of Terms

    2. Glossary of Terms Acronym or Term Full Expression American Wire Gauge California Energy Commission Central Processing Unit Converter CE+T Power Converter: Stabiliti 30C, Stabiliti 30C3 Canadian Standards Association Digital Multi-Meter Field Replaceable Unit GFDI Ground Fault Detection Current Insulation Fault Measurement...

  • Page 7: Introduction

    Converter), as well as the Stabiliti 30C Dual Port PCS. It should be used in conjunction with other product documentation provided by CE+T Power (“CE+T”), which are referenced throughout this Quick Start Guide. The intended audience is engineering lab personnel familiar with high-voltage/high-power systems and the general safety issues related to the wiring and use of 3-phase AC power and high-voltage battery and PV systems.

  • Page 8: System Specifications

    System Specifications 4. System Specifications The Stabiliti Series PCS uses a novel Link Transformer coupled with CE+T’s proprietary Power Packet Switching Architecture™ (PPSA) to deliver full galvanic isolation between the AC and DC power ports. This isolation also delivers greater flexibility with regards to DC wiring options, either floating or grounded are supported which are hardware configured on the DC power connection board.

  • Page 9: Product & Port Interchangeability

    System Specifications 4.3 Product & Port Interchangeability The Stabiliti Series PCS 30C & 30C3 share a common hardware and firmware platform. This document describes the general case of the 30C3. Aside from the integral battery pre-charge circuit on DC2, the DC2 and DC3 ports on both products are operated and controlled identically and may be configured for either battery or PV.

  • Page 10: Pcs Installation

    PCS Installation 5. PCS Installation 5.1 Unpacking and Inspecting the PCS The Stabiliti is pallet shipped, and is enclosed in a purpose-built heavy-duty cardboard box. Once unpacked, inspect the PCS for any obvious shipping damage. Immediately contact your shipper and CE+T regarding any damage noted. You may also save the box with foam in the event it is needed to transport the converter.

  • Page 11: Low Voltage Comms And Control Wiring

    Low Voltage Comms and Control Wiring 6. Low Voltage Comms and Control Wiring 6.1 Wiring Access The PCS wiring compartments are accessed by eight (8) M4 socket cap screws which open the full-sized (20.5” x 40”) hinged front door. All low-voltage wiring is directly terminated to connectors located on the Control Board, located on the upper left side of the enclosure.

  • Page 12: Low-Voltage Interface Overview

    Low Voltage Comms and Control Wiring 6.2 Low-Voltage Interface Overview #1 - AC Disconnect Not applicable, reserved for future use #2 - E-Stop / Aux 24 V In 4-Pin terminal block connector • Pin 4 is Auxiliary 24 Vdc in (Optional) •...
  • Page 13 Low Voltage Comms and Control Wiring #5 - Transfer Relay Supports signaling input for rapid transfers to and from back-up power. For usage please refer to CE+T Application Note 504: Rapid Backup Power Solution Guide with Stabiliti PCS. #6 – Ethernet TCP Standard 8-pin RJ45 Connector Provides support for multiple TCP-based communications services: •...

  • Page 14: High-Voltage Wiring

    High-voltage Wiring 7. High-voltage Wiring During initial setup of the PCS and before connecting AC and DC power sources, it is recommended that the user first operate the PCS with only the Aux 24 Vdc power supply connected. Doing so enables validation of communications and access to the Modbus control interface and the various configuration, control, and monitoring features supported by the Stabiliti Series PCS and detailed later in this document.

  • Page 15: Ac External Circuit Protection And Disconnect

    High-voltage Wiring AC connections are made to the bottom terminals designated as PHASE A, PHASE B, and PHASE C, refer to Figure 3. Torque these terminals to 45 in·lbf (5 Nm). Note that the PCS will automatically adapt to phase sequence (phase rotation) if operating in a grid- tied mode.

  • Page 16: Dc2/Dc3 Connect Board

    High-voltage Wiring 7.3 DC2/DC3 Connect Board Figure 4: 30C3 DC2 and DC3 Connect Board 7.3.1 DC Grounding The battery and PV array connections share a common negative connection via DC COM. They are not electrically isolated from one another. In the factory default configuration, this common negative DC connection is grounded within the PCS via a 1 A fuse. This is the recommended configuration for a solar plus storage multiport application.

  • Page 17: Alternate Dc Wiring

    High-voltage Wiring Common Error: The two terminals labeled GFDI Sense on the lower left of the DC interconnect board are not used for standard 2-wire battery or PV connections. These accommodate legacy 3-wire or 4-wire bipolar DC configurations and are used in conjunction with the unipolar/bipolar jumper.

  • Page 18: Communications And Modbus Interface

    Communications and Modbus Interface 8. Communications and Modbus Interface 8.1 PCS Configuration, Control and Monitoring All Stabiliti Series Converters are configured, monitored, and controlled via the Modbus TCP (or Modbus RTU) interfaces. CE+T strongly recommends incorporating TCP-based communications into your Energy Storage System (ESS). The Modbus interface consists of a series of 16-bit holding registers each with its own unique Modbus address.

  • Page 19: Modbus Protocol Parameters

    Communications and Modbus Interface Example IP configuration: 192.168.1.7 Register: 2030 2031 2032 2033 2034 2035 2036 2037 Desired IP: Hex Value: 3139 322E 3136 382E 312E 3700 0000 0000 Refer to the Modbus Programmers Guide for more detail on IP addressing. 8.3 Modbus Protocol Parameters The primary Modbus protocol parameters default as follows and are user configurable.

  • Page 20: Scaling Factors

    Communications and Modbus Interface The DC2 and DC3 maximum voltage limits and maximum current limits should be updated from the factory default and saved to flash to reflect your battery or PV array safe operating voltage ranges. The PCS will fault and go offline if a voltage limit is reached. The PCS will attempt to soft limit current flow if a current limit is reached, otherwise it will fault and go offline.

  • Page 21: Power Flow Sign Convention

    Communications and Modbus Interface Type Scaling Factor Register Read/Write Actual Value AC / DC Port Voltage 1 unit = 1.0 V 480 Vac / 480 Vdc Frequency 1 unit = 0.001 Hz 60000 60 Hz DC Port Current 1 unit = 0.1 A 10.0 A DC Port Power 1 unit = 10 W...
  • Page 22 Communications and Modbus Interface Register Address Register Name Type Default Comments 0x0000 - IDLE 0x0001 - NET uint16x p1_control_method 0x0000 0x0402 - GRID POWER (GPWR) 0x0502 - FACILITY POWER (FPWR) uint16 If p1_control_method = 0x0402 or 0x502: p1_real_pwr_setpt real power setpoint while voltage-following If p1_control_method = 0x502: line-to-line int16 p1_voltage_setpt...
  • Page 23 Communications and Modbus Interface Register Address Register Name Type Default Comments int16 p2_v_pn DC2 voltage, positive to negative int16 p2_power DC2 power int16 p2_current DC2 current Table 5: DC2 basic Modbus registers, used with a battery Register Address Register Name Type Default Comments...
  • Page 24 Communications and Modbus Interface Register Address Register Name Type Default Comments uint16x user_start Manual Mode start, set to 1 to start uint16x user_stop Manual Mode stop, set to 1 to stop uint16x 0 = operate in Manual Mode; 1 = operate sys_op_mode 0x0000 in Automatic Mode...

  • Page 25: Fault Management & Watchdog Timer

    Communications and Modbus Interface Register Address Register Name Type Default Comments The use of fault monitoring and Fault Management 0-63 management registers is detailed in Group Application Note 303. Countdown value in seconds Reads -1 if int16 Watchdog countdown fault occurs; factory default = 0 = watchdog disabled UL 1741 SA Smart Inverter features Grid Interconnect...

  • Page 26: Power Flow Control Methods

    Power Flow Control Methods 9. Power Flow Control Methods There are numerous and flexible means to transfer power between PCS power ports using the Modbus interface. These port- specific operating modes are collectively known as “Control Methods” for power flow and include: MPPT, Grid Power (GPWR), Facility Power (FPWR), DC Power (POWER), DC Current (CURRENT), NET, and IDLE.

  • Page 27: Control Method Uses And Restrictions

    Power Flow Control Methods 9.4 Control Method Uses and Restrictions 9.4.1 IDLE Control Method (0x0000) If a port is not in use it should be set to the IDLE Control Method to disable power flow into our out of that port. All Converters are shipped with IDLE as their factory default for safety purposes.

  • Page 28: Facility Power Control Method (0X0502)

    Power Flow Control Methods 9.4.7 Facility Power Control Method (0x0502) The Facility Power Control Method (FPOWER) is used for two (2) possible applications: 1. Interactive grid-following/grid-forming transfer applications: in this use-case external third-party islanding switchgear is incorporated into the system design to facilitate rapid and transfers between grid-following and grid-forming modes while also ensuring the PCS remains safe and never back-feeds the utility grid while in grid-forming mode.

  • Page 29: Initial Startup And Basic Commissioning

    Initial Startup and Basic Commissioning 10. Initial Startup and Basic Commissioning CE+T recommends the following set of initial commissioning tasks to validate your installation and PCS functionality before attempting to fully exercise the system. Before energizing the grid, battery or PV connections to the PCS: •...

  • Page 30: Power Flow Scenarios

    Power Flow Scenarios 11. Power Flow Scenarios The Stabiliti Series PCS has numerous options with regards to system configuration and power transfer options. Reviewing the following use cases will demonstrate the flexibility and capabilities of the 30C3 Multiport PCS. Note that only Manual Mode is employed in these examples assuming lab operation by the user.

  • Page 31: Stand-Alone Solar Pv Export On Dc3

    Power Flow Scenarios 3. Configure the following registers: a. Configure DC2 voltage limits and current limits according to your battery as described in section 8, page 18 Application Specific Register Setup. b. R65 p1_control_method = 0x0001 (NET) c. R129 p2_control_method = 0x0401 (POWER) d.

  • Page 32: Pv + Battery Sum For Grid Export: Battery On Dc2, Pv Array On Dc3

    Power Flow Scenarios b. Observe telemetry feedback during power transfer cases i. R119 p1_real_power ii. R249 p3_power c. Write R264 user_stop = 1 to disable power transfer The PV time of day registers p3_pv_start_tod_setpoint and p3_pv_stop_tod_setpoint define when the MPPT Control Method is enabled on a time basis.

  • Page 33: Battery Charging From Pv And/Or Grid: Battery On Dc2, Pv Array On Dc3

    Power Flow Scenarios ii. R185 p2_power iii. R249 p3_power d. As with other setpoints and other Control Methods R68 p1_real_pwr_setpt may be changed on-the-fly based on battery or site application requirements. e. Write R264 user_stop = 1 to disable power transfer. 11.5 Battery Charging from PV and/or Grid: Battery on DC2, PV Array on DC3 This is an example of “battery friendly”...

  • Page 34: Ac Standalone Battery-Supported Microgrid

    Power Flow Scenarios 11.6 AC Standalone Battery-Supported Microgrid This is an example of a battery supplying power as demanded in real time to support and hold an AC microgrid output at 480 Vac, despite variations in load. 1. After physically installing the PCS as described earlier in this document disconnect and isolate the PCS from the 480 Vac grid supply.

  • Page 35: Labview Modbus Tool

    Labview Modbus Tool 12. Labview Modbus Tool Upon request, IPWR can provide a simple Modbus LabView application (“Modbus Tool”) for evaluating the PCS. The application runs on all modern versions of Windows and is delivered as a software executable via a Dropbox account that IPWR will set up on your behalf.

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