What buyers should know first
A diesel generator can have the correct kW rating and still fail the first start if the battery, charger, wiring, or panel alarm scope is not defined clearly. For standby projects, the starting system should be treated as part of the emergency power package, not as a small accessory.
For Yangzhou Tesla Power Equipment Co., Ltd., the useful RFQ usually starts with load size, duty rating, site conditions, voltage and frequency, enclosure style, control requirements, and the documents the purchaser needs for project approval.
In practice
Most RFQs should define whether the set is expected to start automatically after mains failure, how long the battery must remain charged during idle periods, and who will test the start sequence with the ATS or building control system.
| Item | What to confirm | Why it matters |
|---|---|---|
| Battery voltage | 12V or 24V system according to engine and starter design | Avoids mismatched charger and starter components |
| Charger input | Site AC supply voltage and frequency | Keeps float charging stable before an outage |
| Panel alarms | Low battery voltage, charger failure, start failure | Helps maintenance teams act before the next outage |
| Commissioning | Cold start and repeated start attempts | Verifies the package under real site conditions |
Specification points to confirm
- Confirm engine starting voltage, battery capacity, battery quantity, and cable routing.
- Define whether the charger is mounted inside the control panel or supplied separately.
- Ask for charger input voltage and frequency to match the project electrical system.
- Request the generator controller alarm list before panel approval.
- Check whether the ATS start signal is dry contact, communication-based, or handled by a site control panel.
Common mistakes to avoid
- Treating the charger as optional on a standby generator that may sit idle for long periods.
- Ignoring charger input voltage on export projects using 50Hz or 60Hz supply.
- Leaving battery rack location undefined on open sets installed in generator rooms.
- Testing only manual start and skipping automatic start from the transfer system.
Before requesting a quotation
Ask the supplier to separate the generator set scope from the site installation scope. The generator quotation can normally define the set, enclosure or frame, control panel, breaker, radiator arrangement, silencer, batteries, drawings, and test documents. Civil works, fuel piping, exhaust duct routing, cables, and local approval items should be checked with the site contractor unless they are explicitly included.
- Load list and required standby or prime rating.
- Project voltage, phase, and frequency.
- Control panel alarm and remote signal requirements.
- ATS interface requirement if automatic start is needed.
- Preferred battery brand or documentation requirement if the purchaser has one.
Related products and technical notes
Related generator examples can be reviewed on <a href="https://www.tesladieselgeneratorset.com/products/factory-direct-sale-customized-500kw-630kva-for-cummins-ktaa19-g6a-diesel-generator-ats-auto-start-50-60hz-frequency-230v-240v-r/">this diesel generator product page</a>. Purchasers comparing project requirements can also read <a href="https://www.tesladieselgeneratorset.com/diesel-generator-control-panel-checks-remote-monitoring-projects/">this technical note</a> before sending the final RFQ.
Questions purchasers often ask
Is a battery charger needed for every standby generator?
For standby service, a charger is normally expected because the generator may not run for long periods before an outage. The exact charger rating and input supply should be confirmed in the RFQ.
Should the charger be inside the generator control panel?
It can be panel-mounted or separate depending on the package design and service access. The important point is to define the mounting position, wiring scope, and alarm output.
What should be tested during commissioning?
The team should test manual start, automatic start signal, charger operation, battery voltage alarm, and failed-start alarm according to the project control logic.
Can the same battery arrangement be used for 50Hz and 60Hz projects?
The engine starting system may be similar, but charger input voltage, site supply, and documentation should be checked for the destination market.