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SMA SUNNY TRIPOWER CORE1 - User Manual

SMA SUNNY TRIPOWER CORE1
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SUNNY TRIPOWER
STP50-40-BE-en-15 | Version 1.5ENGLISH
Operating manual
SunnyTripowerCORE1 (STP 50-40)

Table of Contents

Other manuals for SMA SUNNY TRIPOWER CORE1

Preview: Quick Reference Guide
Quick Reference Guide24 pages

Questions and Answers

  • A
    ambersantosAug 20, 2025
    How to reset a forgotten password on my SMA Inverter?
    • T
      Tina BarreraAug 20, 2025
      If you've forgotten the password for your SMA Inverter, you can unlock it using a Personal Unlocking Key (PUK). Request a PUK using the application form available at www.SMA-Solar.com. Then, open the user interface, enter the PUK in the Password field, and select Login. Next, go to Device Parameters, click on [Edit parameters], and in User Rights > Access Control, change the password for the desired user group. Finally, select [Save all] to save the changes.
  • S
    Steven VillegasAug 22, 2025
    Why is my SMA SUNNY TRIPOWER CORE1 not connecting to WLAN?
    • E
      Elizabeth SteeleAug 22, 2025
      If your SMA Inverter displays 'No WLAN connection possible', ensure that the SSID, WLAN password, and encryption method have been entered correctly. Also, verify that the WLAN router or WLAN Access Point is within range and functioning correctly. If the issue persists, consider using a WLAN repeater to improve the connection.
  • A
    Amanda TuckerAug 25, 2025
    What to do if my SMA SUNNY TRIPOWER CORE1 Inverter lost WLAN connection?
    • T
      Tiffany CraigAug 25, 2025
      If your SMA Inverter shows 'WLAN connection lost', ensure that the WLAN router or WLAN Access Point is still active and within range, signaling correct operation. If this message appears frequently, consider using a WLAN repeater to improve the WLAN connection.
  • O
    ohessAug 26, 2025
    Why is my SMA SUNNY TRIPOWER CORE1 Inverter showing a grid fault?
    • J
      jenniferfreemanAug 26, 2025
      If your SMA Inverter displays a grid fault, check if the grid voltage at the connection point of the inverter is consistently within the permissible range. If the grid voltage is outside the permissible range due to local grid conditions, contact the grid operator.
  • A
    Allison YangAug 28, 2025
    What to do if my SMA Inverter is waiting for grid voltage and shows a grid failure?
    • D
      David WheelerAug 28, 2025
      The message 'Waiting for grid voltage > Grid failure > Check AC circuit breaker' on your SMA Inverter may appear if the AC cable is not correctly connected or the country data set is not correctly configured. Ensure that the circuit breaker is switched on, the AC cable is undamaged and correctly connected, and the country data set is configured correctly. Also, verify that the grid voltage at the inverter's connection point is within the permissible range.
  • A
    Alexandria OlsonAug 29, 2025
    What does DC overvoltage mean on my SMA SUNNY TRIPOWER CORE1 and how do I fix it?
    • K
      Kelly WalterAug 29, 2025
      If your SMA Inverter shows 'DC overvoltage > Disconnect generator', immediately disconnect the inverter from all voltage sources. Check if the DC voltage is below the inverter's maximum input voltage. If it exceeds the limit, ensure the PV array is correctly rated or contact the PV array installer.
  • M
    michellejamesAug 31, 2025
    What causes a grid fault on my SMA Inverter due to grid voltage?
    • H
      hugheshenrySep 1, 2025
      If your SMA Inverter displays a grid fault and the ten-minute average value of the grid voltage is no longer within the permissible range, check whether the grid voltage at the connection point of the inverter is permanently in the permissible range during feed-in operation. If the grid voltage is outside the permissible range due to local grid conditions, contact the grid operator.
  • J
    Jordan ObrienSep 2, 2025
    What does it mean when my SMA SUNNY TRIPOWER CORE1 shows a grid fault and disconnects?
    • C
      Chad BoyerSep 2, 2025
      If your SMA Inverter displays a grid fault, check the grid connection for significant short-term frequency fluctuations. This message indicates that the inverter has disconnected from the utility grid because it detected a stand-alone grid or a very large change in the power frequency.
  • E
    Emily PhillipsSep 4, 2025
    What should I do if my SMA Inverter shows a grid fault due to power frequency?
    • C
      Carol AndersenSep 4, 2025
      If your SMA Inverter displays a grid fault and indicates that the power frequency is not within the permissible range, if possible, check the power frequency and observe how often fluctuations occur. Contact the grid operator and request approval to change the operating parameters of the inverter.
  • R
    Robert Carter Jr.Sep 6, 2025
    What does 'PE conn. missing' mean on my SMA SUNNY TRIPOWER CORE1?
    • V
      Victoria SullivanSep 6, 2025
      If your SMA Inverter displays 'PE conn. missing > Check connection', it means the grounding conductor is not correctly connected. Ensure that the grounding conductor is correctly connected.

Summary

2 Safety

2.1 Intended Use

Describes the product's intended purpose as a transformerless PV inverter and its suitability for indoor/outdoor use.

2.2 IMPORTANT SAFETY INSTRUCTIONS

Contains essential safety information that must be observed at all times when working with the product.

4 Product Overview

4.1 Product Description

4.3 Interfaces and Functions

5 Mounting

5.1 Requirements for Mounting

Outlines the essential requirements for selecting a safe and suitable mounting location for the inverter.

5.2 Mounting the Inverter

Provides step-by-step instructions and precautions for physically mounting the inverter.

6 Electrical Connection

6.1 Overview of the Connection Area

6.2 AC Connection

Details the requirements and procedure for connecting the inverter's AC side.

6.3 Connecting the Network Cables

6.5 DC Connection

Details the requirements and procedure for connecting the inverter's DC side.

7 Commissioning

7.1 Commissioning Procedure

Outlines the step-by-step procedure for commissioning the inverter and integrating it into a system.

7.2 Commissioning the Inverter

Details the requirements and step-by-step process for commissioning the inverter itself.

7.3 Selecting a configuration option

8 Operation

8.2 Establishing User Interface Connections

8.3 Logging In and Out of the User Interface

8.7 Starting the Installation Assistant

8.12 Changing Operating Parameters

Provides the basic procedure for changing various operating parameters to optimize inverter performance.

8.24 Updating the Firmware

Provides methods for updating the inverter's firmware via the user interface or USB.

9 Disconnecting the Inverter from Voltage Sources

11 Troubleshooting

11.1 Forgotten Password

11.2 Event Messages

Lists various event messages, their causes, and corrective measures for diagnosing issues.

11.3 Checking the PV System for Ground Faults

Provides procedures for checking the PV system for ground faults and associated safety precautions.

13 Technical Data

15 Contact

SMA SUNNY TRIPOWER CORE1 Specifications

General IconGeneral
Max. DC voltage1100 V
Number of MPP trackers6
Max. input current per MPPT26 A
Operating temperature range-25°C to +60°C
TopologyTransformerless
Degree of protectionIP65
Max. apparent AC power50 kVA
AC nominal voltage400 V
THD< 3%
AC grid frequency50 Hz / 60 Hz
Max. input voltage1100 V
Min. input voltage200 V
Number of DC connections per MPPT2
Max. efficiency98.1%
MPPT voltage range200 V - 800 V
AC voltage range320 V to 480 V

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