Products-GoLead Intelligent

SID-2350

Grid-Forming Converter Synchronization Controller

The SID-2350 Grid-Forming Converter Synchronization Controller is a grid-connected/islanding switching device specially developed for grid-forming converters.

It is applicable for paralleling operation between grid-forming converters, as well as differential-frequency synchronization and grid-connected/islanding switching between converters and utility power or other independent power sources.

It is widely applicable in grid-forming energy storage/PCS microgrids, integrated PV-storage-charging systems, and utility power complementary applications.

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Main Functions

(1)
Grid-Connected/Islanding Switching
(2)
Synchronization and Grid Connection
(3)
Converter Start/Stop Control
(4)
Power Output Control
(5)
Converter Voltage and Frequency Regulation
(6)
Converter Protection Functions
(7)
Utility Power Abnormality Disconnection
(8)
Power Source Operation Data Recording
(9)
Breaker Closing Time Recording
(10)
Event Recording
(11)
Operation Waveform Recording
(12)
Human-Machine Interaction
(13)
Communication Function

KEY Features

1

Harsh‑environment‑resistant Panel Design

Silicone panel buttons with rubber sealing rings provide resistance to high/low temperatures and humidity, enabling operation in harsh field environments.
2

Industrial / Military‑grade Circuit Devices

All integrated circuits use industrial-grade or military-grade components, providing high stability and reliability.
3

Zero‑phase‑angle Impact‑free Synchronization

The precise mathematical control model ensures impact-free synchronization at zero phase angle difference and prevents missing the first synchronization opportunity.
4

Automatic Energy‑storage Frequency‑voltage Regulation

When frequency difference and voltage difference do not meet requirements, the controller automatically adjusts the voltage and frequency of the energy storage system, enabling rapid and smooth entry into the preset range.
5

Grid Abnormity Isolation & Fast Mode Switching

When utility power abnormalities are detected, the device disconnects the breaker for isolation and quickly switches to islanded operation or shutdown mode.
6

Power‑loss‑resistant Event & Waveform Recording

Events, waveform records, and operation data are completely recorded and retained after power loss, enabling traceability.
7

Multi‑brand Grid‑forming Converter Compatibility

Compatible with multiple brands of grid-forming converters, supporting various interaction methods including digital signals, analog signals, and communication interfaces for simple operation.
8

Multi‑communication Embedded Platform

Based on a real-time embedded system and TCP/IP protocol stack, it supports CAN, Ethernet, and RS485 communication, providing stable and scalable operation.

SPECIFICATIONS

Communication Interfaces

2 × RS485, 2 × CAN, 1 × LAN, 1 × USB
AI/DI

6U + 6I + 5DC, 11 × DI
AO/DO

2 × AO, 11 × DO
Frequency Measurement Accuracy

< 0.01 Hz
Voltage Measurement Accuracy

< 0.5%
Synchronization Closing Angle

< 1°
Utility Power Abnormality Detection Time

≤ 10 ms
Operating Temperature

-25°C to +70°C
EMC Protection

EN 61326-1 (IEC 61000-4)
Mechanical Vibration

IEC 60068-2-6