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Grid and PV system protection (G/P protection)
Grid and PV system protection according to VDE-AR-N 4105
Grid and PV system protection in accordance with VDE-AR-N 4105:2018-11
Simplified grid and PV system protection as per FNN notice
Possible protection concepts of the inverters
Short-circuit currents
Grid and PV system protection according to VDE-AR-N 4105
Table of Contents
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Information on this Document
Content and Structure of this Document
Levels of Warning Messages
Symbols in the Document
Designations in the Document
Explanation of Used Terms
PV solutions for the commercial sector
The SMA Commercial Energy Solution
Introduction
Generate solar power and use it effectively
Store solar power and use it flexibly
Manage and distribute solar energy
Charge with solar power
Heat with solar power.
Direct marketing of solar power
Product overview PV inverters
Introduction
Sunny Tripower X 25
Sunny Tripower X 60
Sunny Tripower 125
Sunny Highpower PEAK3
Interfaces and Functions
Additional Information
PV solutions with commercial storage systems
SMA Commercial Storage Solution
Additional Information
System controller overview
System control with the SMA System Manager
Sunny Tripower X as System Manager
Device function
System Functions of the Sunny Tripower X
Sunny Tripower X 25 as System Manager
Sunny Tripower X 60 as System Manager
Device function
System functions of the Sunny Tripower X 60
Sunny Tripower X 60 as System Manager
SMA Data Manager M as System Manager
Introduction
System Functions of the Data Manager M
Sunny Tripower X 25 with SMA Data Manager as System Manager
Sunny Tripower X 60 with SMA Data Manager as System Manager
Sunny Tripower Storage X with SMA DATA MANAGER M
Sunny Tripower Storage X as System Manager
Device function
System Functions of the Sunny Tripower Storage X
Sunny Tripower Storage X as System Manager
Energy management with the System Manager
Additional Information
SMA Commercial Energy Meter
PV with charging solutions
SMA Commercial eMobility Solution
Dynamic load management
AFIR Conformity of the SMA EV Charger Business
SMA eMobility Portal
System Requirements
Additional Information
Planning a system
System planning with Sunny Design
Product Description
Functions upon access authorization
Project Overview
Functions per project type
Polystring operation
Oversizing of the PV system power
Introduction
Lower specific energy costs
Reducing the inverter costs
Maximizing yields
Cost/benefit optimization in case of replacement
Using systems facing east or west in the best possible way
Preconditions for the oversizing of the PV system power
Additional Information
Compatibility with common grid configurations
Common Grid Configurations
Compatibility with common grid configurations
Using medium-voltage transformer transformers
Requirements for Use
Compatible Transformer Winding Configurations (Vector Groups)
Allowable Impedance Levels
Dimensioning of the miniature circuit breakers
Requirements for the Mounting Location
General Requirements
Noise emission in inverters
Installation site and heat dissipation
Shade Management with SMA ShadeFix
Protective devices and protective settings
Lightning and overvoltage protection
Internal and External Lightning Protection
Overvoltage protection equipment
Short-circuit currents
Grid and PV system protection (G/P protection)
Grid and PV system protection according to VDE-AR-N 4105
Grid and PV system protection in accordance with VDE-AR-N 4105:2018-11
Simplified grid and PV system protection as per FNN notice
Possible protection concepts of the inverters
Arc-Fault Circuit Interrupter (AFCI)
Cyber Security
Aims of Cyber Security
Applications of PV systems in the global communication system
Grid Management Services
Introduction
Fundamentals of open-loop and closed-loop control
Open- and closed-loop control of the Sunny Tripower X 25
Open-loop control
Closed-loop control
Overview of the reference point in a system
Prioritizing active power setpoints
Introduction
Possible system concepts and their reference points
VDE AR-N4105 / 4110 P_AV, E monitoring
Introduction
P_AV,E active power limit curve
P_AV,E monitoring for SMA inverters
Active power limitation with the SMA Data Manager M
Reactive Power Control
SMA Dynamic Power Control
Zero export
Direct selling
Additional Information
Operating a system
Monitoring in Sunny Portal powered by ennexOS
Introduction
Sunny Portal powered by ennexOS in conjunction with Sunny Tripower X
Sunny Portal powered by ennexOS in conjunction with SMA Data Manager
SMA Smart Connected
I-V diagnostic functions
Additional Information
