What is a PV string inverter?

To avoid any other unforeseeable risk, contact your dealer immediately, if there is any issue found during operation. 2.1.1 Function This series is a single-phase grid-tied PV string inverter (transformer less) that converts the DC power generated by PV strings into AC power and feeds the power into power grid. The inverter is transformerless.

What is a CPS grid-tied PV inverter?

CHINT POWER SYSTEMS AMERICA CO., LTD. Thank you for choosing a CPS Grid-tied PV Inverter (hereinafter referred to as “PV Inverter”) developed by CHINT POWER SYSTEMS AMERICA CO., LTD (hereinafter referred to as "CPS"). This PV Inverter is a high performance and highly reliable product specially designed for the North American Solar market.

What is CPS sca20/25ktl-do series inverter?

2.1 Inverter for grid-tied PV systems CPS SCA20/25KTL-DO series inverter is suitable for use with commercial and large scale PV grid-tied systems. The system is generally made up of PV modules, DC power distribution equipment, PV inverter and AC power distribution equipment (Figure 2-1).

How to check if a PV inverter has a fault?

1. Raise limit of DCImax (for example, 400mA) to 2. After raising limit, if inverter cannot clear fault, replace inverter. Grid. 2. Open fuse drawers to de-couple PV strings from each other. Test strings with string test set. 3. Add one PV string at a time, and start up inverter to see if alarm occurs.

Where can I find the Chint power systems user manual?

The manual will be periodically updated or revised due to the product development or improvement. The latest version of this manual can be acquired via the website at 1. IMPORTANT SAFETY INSTRUCTIONS (SAVE THESE INSTRUCTIONS) Please read this user manual carefully before installation of the inverter.

What should I know before connecting a PV inverter?

Confirm the maximum open circuit voltage of the PV modules is lower than 1000VDC under any conditions. Confirm that the PV modules for each MPPT within the inverter are of the same type and specification before connection. Ensure correct polarity of the PV Strings before terminating the DC source circuits within the wirebox.