SMA Sunny Central 400MV Bedienungsanleitung

Technical Information

SC40-125MVDE-UEN101811 Version 1.1 1/14

Content

This document describes the dimensions, minimum clearances, cable supply and transport conditions that must

be observed to ensure a smooth setup. This document is valid for the following Sunny Central models:

• Sunny Central 400MV

• Sunny Central 500MV

• Sunny Central 630MV

• Sunny Central 800MV

• Sunny Central 1000MV

• Sunny Central 1250MV

Installation Requirements

for the German station concept

for SUNNY CENTRAL 400MV / 500MV / 630MV / 800MV / 1000MV / 1250MV

Technical Information Mechanical data

SMA Solar Technology AG 2/14

1 Mechanical data

Sunny Central 800MV / 1000MV / 1250MV with medium-voltage switchgear

Sunny Central 800MV / 1000MV / 1250MV without medium-voltage switchgear

All figures in mm.

A COM-B, optional B Sunny Central, DC cabinet

C Sunny Central, inverter cabinet D Sunny Central, AC cabinet

E Medium-voltage switchgear F Transformer

G Station sub-distribution

All figures in mm.

A COM-B, optional B Sunny Central, DC cabinet

C Sunny Central, inverter cabinet D Sunny Central, AC cabinet

E Transformer F Station sub-distribution

Technical Information Mechanical data

SMA Solar Technology AG 3/14

Sunny Central 400MV / 500MV / 630MV with medium-voltage switchgear

Sunny Central 400MV / 500MV / 630MV without medium-voltage switchgear

All figures in mm.

A Sunny Central, DC cabinet B Sunny Central, inverter cabinet

C Sunny Central, AC cabinet D Transformer

E Medium-voltage switchgear F Station sub-distribution

G COM-B, optional

All figures in mm.

A Sunny Central, DC cabinet B Sunny Central, inverter cabinet

C Sunny Central, AC cabinet D Transformer

E Station sub-distribution F COM-B, optional

Technical Information Transport Requirements

SMA Solar Technology AG 4/14

2 Transport Requirements

2.1 Freight-forwarding Company

Transport and unloading is coordinated by a freight-forwarding company. Normally, the freight-forwarding

company will arrange a day for delivery and unloading with the site management two weeks prior to the

planned delivery date.

2.2 Ambient Conditions

The transport route within the PV farm must be designed in such a way that the MV station can be transported

by a semi-trailer. The semi-trailer weighs 60 t with a length of 16 m, a width of 3 m, a height of 5 m and a

ground clearance of 0.25 m. At its final destination, the surface must be dry,solid and even.

The concrete station is lifted off the semi-trailer and set down on the foundation by a crane. The pivoting radius

of the crane is 7 m. The semi-trailer must be positioned as indicated in the following graphic.

If the ambient conditions cannot be fulfilled, it may be necessary to use a larger crane. The final crane size is

determined via a visit to the site.

max. 7,000 mmmax. 7,000 mm

7,500 mm

Semi-trailer with MV station

Alternative position for semi-

trailer with MC station

Crane

Technical Information Transport Requirements

SMA Solar Technology AG 5/14

2.3 Foundation

The building pit and foundation are to be set up on site in accordance with the foundation plan. The following

conditions must be fulfilled:

• The digging depth may not exceed 0.8 m.

• Exterior grounding installations are to be executed according to the instructions of the utility operator or

distribution grid operator.

• The work area must have a minimum circumference of 0.5 m.

• The corners of the building pit must be marked.

• Place the material dug out in such a way that the semi-trailer and the crane are not hindered during

transport.

• The ground must have the following properties:

‒ Approx. 100 mm high

‒ Compression ratio: 98 %

‒ Soil pressure: 150 kN/m²

‒ Planning levels deducted

Remove all obstacles prior to delivery such as fences, power lines, trees and such which could hinder

access by the semi-trailer and crane.

Delivery and transport using a crane of up to 7 m radius are included in the scope of delivery. Additional

costs can be accrued during delivery if

• traffic-control measures such as road blocks, police escorts, etc. are necessary.

• a crane with radius of over 7 m is required.

• an extra traction engine is required for steep inclines.

• excavator mats, etc. are needed.

Technical Information Transport Requirements

SMA Solar Technology AG 6/14

The dimensions of the foundation can be found in the following graphic. All figures in mm.

Sunny Central 800MV / 1000MV / 1250MV

Sunny Central 400MV / 500MV / 630MV with medium-voltage switchgear

Technical Information Transport Requirements

SMA Solar Technology AG 7/14

Sunny Central 400MV / 500MV / 630MV without medium-voltage switchgear

Technical Information Electrical Connection

SMA Solar Technology AG 8/14

3 Electrical Connection

3.1 Block diagram

Sunny Central 800MV / 1000MV / 1250MV with medium-voltage switchgear for

ring switching

A DC Input B Sunny Central

C Transformer Dy11y11 D Medium-voltage switchgear C-C-T

E AC Output F External Grounding

G Internal power supply transformer, optional H Station sub-distribution

I External power supply K Communication interface

L COM-B, optional

Technical Information Electrical Connection

SMA Solar Technology AG 9/14

Sunny Central 800MV / 1000MV / 1250MV with medium-voltage switchgear for

cable switching

A DC Input B Sunny Central

C Transformer Dy11y11 D Medium-voltage switchgear R-T

E AC Output F External Grounding

G Internal power supply transformer, optional H Station sub-distribution

I External power supply K Communication interface

L COM-B, optional

Technical Information Electrical Connection

SMA Solar Technology AG 10/14

Sunny Central 800MV / 1000MV / 1250MV without medium-voltage switchgear

A DC Input B Sunny Central

C MS Transformer Dy11y11 D AC Output

E External Grounding F Internal power supply transformer, optional

G Station sub-distribution H External power supply

I Communication interface K COM-B, optional

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