Singapore (EMA Transmission Code App. F6) — ride-through requirements

The FRT envelope a grid-scale battery must meet under Singapore (EMA Transmission Code App. F6) (Singapore), digitized breakpoint by breakpoint and checked against the clause it came from.

By Sergey Syrvachev — Director of Product Engineering, grid-scale BESS · 10+ GWh delivered

Part of: the grid-code ride-through chart — compare this against 63 other standards in 42 countries.

What this is, and is not. A reading aid compiled from the clause cited below — not a compliance document. The primary text governs. Some values on this page are marked partial: the level is confirmed but at least one duration step could not be read directly from the source.

Breakpoints

Times are seconds from the start of the disturbance. Voltage is per-unit of nominal; frequency in hertz. An LVRT curve is a lower boundary (stay connected while voltage is on or above it), an HVRT curve an upper boundary, and FRT gives the band between its High and Low boundaries.

Event Duty Breakpoints Status
frequency ride-through (FRT) ride-through High: 0.1s → 52 Hz; 3600s → 52 Hz | Low: 0.1s → 47 Hz; 20s → 47 Hz; 20.001s → 47.5 Hz partial

Where these values come from

  • FRT Energy Market Authority of Singapore, Transmission Code, 26 September 2024, Appendix F, section F6.2 'Frequency Range of Generating Unit' — verified verbatim; ESS definition in section 1.3; Appendix L3.

Last checked against the source document on .

Other grid codes in Asia-Pacific