Load testing generators

SERVICE — LOAD TESTING EMERGENCY GENERATORS

Belastings-testen

It is essential to know whether an emergency generator is capable of taking over the primary emergency supply when needed. Therefore, it is necessary to perform an annual load test or load tests to verify this.

Why test?

Antec conducts load tests on emergency generators according to current standards, specifically checking extreme voltage and frequency values at different load levels.

Test phases

Antec performs load tests in three stages:

Static test

Verify if the generator delivers the desired power based on parameters.

Dynamic test

Verify if the desired step load is achieved.

Full synchronization test and functional test

After the test, the customer receives a full test report with all data of the unit..

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Executing load tests on generators

Load tests are performed to evaluate and validate motor performance and capability. This includes normal load, peak load and equipment overload. The purpose of these tests is to ensure that the equipment can handle the expected load and that the motor is functioning properly.

A load test involves exposing the equipment to the maximum rated load or more for a specified period of time. This can be done with a load bank, with resistive and inductive loads, or by connecting the equipment directly to the power source. During the testing process, the performance, stability and temperature rise of the equipment are measured and monitored.

Important parameters evaluated during a load test include voltage regulation, stability, response time, heat generation, vibration and leakage. This helps identify any performance problems, such as voltage drop, instability, overheating or insufficient power supply capacity. The findings of a load test can indicate whether adjustments are needed to the components or whether more work is needed before the machine is put into service, which can prevent unforeseen failures or critical downtime.

Perform load tests on emergency power generators

Electrical equipment load testing is a critical part of maintenance routines. It ensures that machines can continuously deliver full capacity without failure. This is especially important with equipment used in emergency situations. Often these are started without prior indication of whether they are stable enough and have sufficient capacity. Examples include generators, transformers, switchgear, UPS systems, turbines, motors and other power distribution systems. Load tests ensure the reliability, safety and efficiency of these systems, especially during peak loads or emergencies. Pon Energy Rental has the necessary equipment and qualified personnel to perform these tests according to the supplier’s maintenance requirements.

How Antec performs load testing

Antec conducts load tests with our own load banks, ranging from 200 kVA to 6250 kVA. After the test, we provide a detailed report that can be downloaded. Our load banks can test both onshore and offshore equipment and can test up to 690V without a transformer.

We offer solutions for machines requiring over 6MVA by combining load banks or resistance banks with high-voltage transformers to reach up to 23kV.

Why Antec performs load testing

Validate whether the performance of equipment matches the specifications.
Assess the impact of the load on various system components, such as cables, cooling systems, voltage and frequency regulators, etc.
Identify issues or weaknesses in the design or operation of the equipment.
Check if the power supply is sufficient and assess whether additional equipment or upgrades are necessary.
Test emergency power systems, such as emergency generators or UPS, to ensure they can handle the required load in case of a power failure.
Comply with legal standards and industry best practices.