Related Manuals for ABB REACT-3.6-TL
Summary of Contents for ABB REACT-3.6-TL
- Page 1 Solar Inverters Application Note REACT-3.6/4.6-TL- BACKUP OUTPUT USE Operation and Configuration...
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Page 2: Table Of Contents
TABLE OF CONTENTS 1. Scope and field of application 2. Operation principle 3. General recommendations 4. Specifications 5. Operation modes 5.1 Selecting the mode: overview 5.2 Operating conditions 5.3 Mode configuration 5.2 Control/signal from external logic 6. Priority loads relay Date Notes 18/03/16... -
Page 3: Scope And Field Of Application
Scope and field of application The REACT system is provided with a source of alternating current (AC) available with an output on a dedicated terminal block, capable of feeding household utilities independently on the local power grid. This function is called a “backup”. The purpose of this document is to describe the operation and configuration of the backup function available for the models listed in the following table: Models... -
Page 4: General Recommendations
The backup output can support household loads (e.i. A refrigerator, a freezer, heat pumps, hoovers, etc.) and electronic devices that comply with the specifications shown in Chapter 4. General recommendations The backup output must be considered as a source of power completely independent on the electric grid of the local distributor, which provides dedicated loads or priority loads as defined in the previous section, so it must be sized and designed in a workmanlike manner in compliance with the applicable legislation in force in the place where the system is installed (see Chapter 4). - Page 5 three connections are required to connect the backup output: Phase, Neutral and Earth, with a cable of a maximum size of 4 mm (the connection of the earth wire is mandatory). The electrical features of the backup output to be taken into account for the sizing of the line are indicated in the table below: BACKUP OUTPUT –...
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Page 6: Operation Modes
Differential sensitivity 30 mA Number of poles For differential protection, we suggest using the ABB DS201C16 model. Operation modes There are 6 modes that can be selected for the operation of the backup system. They can be set on the inverter's display through the backup menu or through the web server inside the inverter. -
Page 7: Selecting The Mode: Overview
5.1 Selecting the mode: overview Before describing each individual Mode, we will provide a summary table of all the conditions for the activation and operation of the system in connection with the mode selected in order to guide the user/designer in the selection of the most appropriate mode: Power failure Manual start External logic... - Page 8 Manual1: Backup operation in the presence of power, through manual activation and signal from external logic Manual1: External logic linked to power failure, backup operation through manual activation At least one of the following STOP conditions must be met for the backup mode output: 1.
- Page 9 2. Mode: Manual 2 In the Manual 2 mode, the inverter may operate in backup mode if the following condition exists: INPUT 1. Manual activation (press “Enter” on the display for at least 5 sec). CONDITION If it is set, this mode can be activated whenever the user wants to power only the loads connected to the backup line, even in the presence of the home network.
- Page 10 If this mode has been set, the inverter will switch to backup operation if and only if the system is in power failure conditions (absence of voltage at the inverter’s output terminals) and the user decides to feed the loads connected to the backup line. Two possible schemes that can be designed and that describe the operation of this mode are shown below: Manual 3: Power failure due to activation of the protection device at the inverter output and backup operation through manual activation Manual 3: System black out and backup operation through manual activation...
- Page 11 At least one of the following STOP conditions must be met for the backup mode output: 1. Press ‘ESC’ on the display for at least 5 seconds INPUT CONDITION 2. Return of mains voltage (Voltage OK at the inverter’s output terminals) Once it has left the backup mode, the inverter will check the conditions of the public mains network and, after ensuring that Voltage and Frequency parameters are correct, it will start the reconnection sequence.
- Page 12 1. Press ‘ESC’ on the display for at least 5 seconds. INPUT 2. External control signal cancelled (open contact) CONDITION 3. Return of mains voltage (Voltage OK at the inverter’s output terminals) Once it has left the backup mode, the inverter will check the conditions of the public mains network and, after ensuring that Voltage and Frequency parameters are correct, it will start the reconnection sequence to the same network.
- Page 13 1. External control signal cancelled (open contact) Once it has left the backup mode, the inverter will check the conditions of the public mains network and, after ensuring that Voltage and Frequency parameters are correct, it will start the reconnection sequence. 6.
- Page 14 Auto2: Backup operation after general system black-out Auto2: activation of residential protection system, connected inverter, utilities OFF, NO backup The following STOP conditions must be met for the backup mode output: 1. Return of power to inverter terminals (Voltage and Frequency values within the Mains OK range, INPUT established according to local standards).
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Page 15: Mode Configuration
5.3 Mode configuration The 6 modes described in section 5.2 must be set during the commissioning of the system (see product’s manual) or later by using the display of the inverter or a web server. Preset factory values are “None”, which means that there is no backup operation by default. -
Page 16: Control/Signal From External Logic
To set the desired values from the web server, first of all the REACT system must be connected with a PC/Tablet/Smartphone by means of a Wi-Fi connection (consult the product's manual for indications on how to connect to the web server or for further information), then the desired parameters can be set as shown in the sequence below: 1. -
Page 17: Priority Loads Relay
For a correct use of the backup function with Priority Loads, a configuration IS REQUIRED that can maintain a separation between the backup line / distributor grid connection in every operating condition. We recommend using two ABB ESB40-22-230AC/DC model contactors with the following simplified electrical diagram:... - Page 18 Relay connection diagram with Manual 2, Manual 3 and Auto 2 modes If modes Manual 1, Manual 4 and Auto 1 are set, for which an external digital signal is needed, this is a possible connection diagram: Relay connection diagram with Manual 1, Manual 4 and Auto 1 modes In order to ensure the separation of the two power systems (backup and mains), the connections between the terminals of the contactors must be met as shown in the figure, where C1 and C2 are the two contactors of the same ESB40-22-230AC/DC model.
- Page 19 © Copyright 2014 ABB. All rights reserved. Specifications subject to change without notice. Application Note| REACT-3.6/4.6-TL – BACKUP OUTPUT|Operation and Configuration 19...