Product overview

An automatic standby generator is designed to respond without waiting for an operator. The transfer controller monitors the normal source, commands the generator to start after a qualified failure, verifies the emergency source and moves approved loads according to the programmed sequence.

Reliable automation requires more than connecting two pieces of equipment. Voltage sensing, phase arrangement, breaker or switch interlocking, engine warm-up, load acceptance, return delay, cooldown, alarms and manual test modes must be documented as a complete control narrative.

Reference Configuration

The generator reference below is paired with project-selected automatic transfer equipment. Current rating, transition method, interlocking and restoration logic are confirmed from the facility single-line diagram.

Parameter	Reference Value
Generator reference	100 kW prime-power class
Output reference	400/230 V, three phase
Frequency reference	50 Hz
Power factor	0.8
Engine speed reference	1500 rpm
Starting system	24 V electric start
Transfer-system selection window	63-3200 A, project dependent
Transition options	Open or closed transition after system review

Automatic Operating Cycle

Normal-source monitoring distinguishes a sustained failure from a short disturbance.
The generator starts and reaches acceptable voltage and frequency before transfer permission is issued.
The transfer device connects the emergency bus using the approved transition method.
After stable utility power returns, loads transfer back and the generator completes its cooldown sequence.

Control and Monitoring Options

Local controls provide manual, automatic and test functions appropriate to the selected system.
Remote contacts or communications can report source status, generator availability, common alarm and selected detailed faults.
Load shedding and staged restoration can be added where the standby source should not accept every circuit simultaneously.

Automatic Standby Applications

Commercial buildings and warehouses
Telecom and data equipment rooms
Water pumps and infrastructure controls
Factories requiring unattended outage response
Residential estates and remote properties
Security, communications and essential services

Control-System Information Required

Normal and emergency source voltage and phase
Transfer-switch current and short-circuit requirements
Preferred open or closed transition philosophy
Loads requiring staged addition or shedding
Start, transfer, retransfer and cooldown delays
Local test modes and remote command permissions
Alarm list and communication interface

Product and Manufacturing Images

Factory Assembly and Project Review

product-1200-900

Jiangsu Kaichen Electric Power Equipment Co., Ltd. manufactures generator sets and integrated power solutions for industrial, commercial and standby applications. Before production, the project team reviews the confirmed electrical rating, operating duty, installation environment, controls, enclosure and requested options. Inspection and testing scope are agreed for the actual supply package.

Frequently Asked Questions

Q: What starts the generator?

A: The approved controller issues a start command after the normal source meets the programmed failure criteria.

Q: What is the difference between open and closed transition?

A: Open transition disconnects one source before connecting the other. Closed transition momentarily parallels sources and therefore requires additional engineering, protection and utility approval.

Q: Can the transfer system be tested without a real outage?

A: A manual or scheduled test mode can be configured when the required load-transfer behavior and operator permissions are defined.

Q: Can automatic loads be prioritized?

A: Yes. Load shedding and staged restoration can be included from an approved priority schedule and available control interfaces.

Request a Configuration Review

Send the load list, voltage and frequency, operating duty, site conditions, enclosure preference, fuel-runtime target and control requirements. Kaichen will prepare a project configuration for technical confirmation before quotation or production.

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