4.2 Requirements for Transport and Mounting ..................................................................................................... 41
4.2.1 Requirements and Ambient Conditions........................................................................................................... 41
4.2.2 Center of Gravity Marker................................................................................................................................ 41
4.3 Transporting the MV Power Station Using a Crane....................................................................................... 41
4.4 Transporting the MV Power Station by Truck, Train and Ship....................................................................... 42
4.5 Removing the Supplied Mounting Material from the MV Power Station...................................................... 42
4.6 Attaching the Support Feet to the MV Power Station..................................................................................... 43
4.7 Mounting the MV Power Station ..................................................................................................................... 45
5 Installation..................................................................................................................................... 49
5.1 Safety during Installation ................................................................................................................................. 49
5.2 Installation Sequence ....................................................................................................................................... 51
5.3 Preparatory Work............................................................................................................................................. 52
5.3.1 Removing the Transport Locks from the Inverter Compartment..................................................................... 52
5.3.1.1 Loosening the Tie-Down Straps....................................................................................................................... 52
5.3.1.2 Removing the Air Cushion............................................................................................................................... 52
5.3.1.3 Opening the Drain Orifices in the Inverter Compartment ............................................................................. 53
5.3.2 Mounting the Exhaust Duct under the Inverters.............................................................................................. 53
5.3.3 Removing the Transport Lock from the MV Transformer Compartment ........................................................ 54
5.3.4 Working in the Compartment of the Medium-Voltage Switchgear............................................................... 55
5.3.5 Removing the Desiccant Bags ......................................................................................................................... 56
5.3.5.1 Removing the Desiccant Bag from the Station Container ............................................................................. 56
5.3.5.2 Replacing the Desiccant Bag in the Inverter .................................................................................................. 56
5.3.6 Connecting the Battery to the Control Device of the Cascade Control........................................................ 56
5.4 Installing the Grounding on the Station Container......................................................................................... 57
5.5 Installing the AC Connection ........................................................................................................................... 58
5.5.1 Installing the AC Connection on the Medium-Voltage Switchgear............................................................... 58
5.5.2 Installing the AC Connection on the MV Transformer ................................................................................... 59
5.6 Installing the DC Connection ........................................................................................................................... 60
5.6.1 Connecting the DC Cable to the Busbar ........................................................................................................ 60
5.6.2 Connecting the DC Cables to the Connection Brackets................................................................................ 62
5.7 Connecting the Cables for Communication, Control, Supply Voltage and Monitoring .............................. 63
5.7.1 Connecting the Cables in the Communit ........................................................................................................ 63
5.7.1.1 Connecting Optical Fibers .............................................................................................................................. 63
5.7.1.2 Connecting the Network Cables .................................................................................................................... 64
5.7.2 Connecting the Cable in the Inverter .............................................................................................................. 65
5.7.2.1 Connecting Optical Fibers with Subscriber Connector ................................................................................. 65
5.7.2.2 Connecting Optical Fibers via Optical Fiber Pigtail ...................................................................................... 67
5.7.2.3 Connecting the Network Cables .................................................................................................................... 68
5.7.2.4 Connecting Cables for Analog Setpoints....................................................................................................... 69
5.7.2.5 Connecting the Cable for the External Fast Stop........................................................................................... 69
5.7.2.6 Connecting the Cable for Remote Shutdown................................................................................................. 70
5.7.2.7 Connecting the Cable for the Status Report of the Insulation Monitoring ................................................... 70
5.7.2.8 Connecting the Cable for the Status Report of the AC Contactor Monitoring ............................................ 70
5.7.2.9 Connecting the Data Cable of the Sunny String-Monitor ............................................................................. 71
5.8 Completion Work............................................................................................................................................. 71
5.8.1 Closing the Base Plates on the Inverter........................................................................................................... 71
6 Commissioning.............................................................................................................................. 72
6.1 Safety during Commissioning .......................................................................................................................... 72
6.2 Requirements for Commissioning..................................................................................................................... 73
Table of Contents
SMA Solar Technology AG
System ManualMVPS22JP-SH-en-114
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