Case Study

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Powering the Gateway:Ensuring Operational Continuity at NAIA Terminal 3 with MGS

– Jeffrey A. – Kilton Motor Corporation

Kilton Motor Corporation successfully delivered and installed the Mitsubishi MGS1500B (1700kW / 2100kVA), a Japanese-engineered powerhouse designed to provide immediate, high-capacity backup during grid failures.

As the primary international gateway to the Philippines, Ninoy Aquino International Airport (NAIA) Terminal 3 demands 100% power reliability to ensure the safety of millions of passengers and the fluidity of global trade. Following a series of high-profile power disruptions that paralyzed airport operations, Kilton Motor Corporation was tapped to provide a robust standby power solution. Kilton successfully delivered and installed the Mitsubishi MGS1500B (1700kW / 2100kVA), a Japanese-engineered powerhouse designed to provide immediate, high-capacity backup during grid failures.

The Critical Context: The High Stakes of Airport Power

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In an airport terminal, electricity is more than a convenience—it is a life-safety requirement. A total power loss at NAIA Terminal 3 affects:

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Before the recent upgrades, NAIA Terminal 3 faced severe criticism due to aging electrical infrastructure and a lack of sufficient redundancy. 

Major incidents that underscored the urgency of this project include:

  • January 1, 2023: A catastrophic power failure at the Air Traffic Management Center (ATMC) resulted in the total closure of Philippine airspace. Over 600 flights were cancelled, stranding 65,000+ passengers on New Year’s Day.
  • May 1, 2023 (Labor Day): A 10-hour power outage hit Terminal 3 specifically, caused by a fault in the main circuit breaker. This led to the cancellation of 40+ domestic flights and impacted nearly 10,000 passengers during a peak travel holiday.
  • June 2023: Another significant outage caused flight delays and long queues at immigration, further damaging the airport’s international reputation.

A Real and Recognized Operational Challenge

These events highlighted a critical “single point of failure” and the desperate need for a high-load acceptance standby system that could take over the terminal’s most vital loads within seconds.

The Kilton Solution: Mitsubishi MGS1500B

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To address these challenges, Kilton Motor Corporation provided a turnkey installation of the Mitsubishi MGS1500B.

Technical Specifications:

In a terminal environment, there is no room for "fail-to-start" scenarios. The MGS series features advanced digital control systems and robust fuel efficiency, ensuring that during an extended blackout, the airport can maintain operations for hours or even days.

Performance Highlights

A. The Sound of Silence

The greatest achievement of this installation isn’t just its longevity; it’s also its acoustic footprint. The Denyo “Silent Type” series uses a double-structure cabinet and high-efficiency acoustic insulation.

  • Result: When the BATELEC grid goes down, the generator kicks in with a low hum rather than a roar. The local wildlife—birds, monkeys, squirrels, , and other fauna—remain undisturbed, unaware that the power source has shifted. It’s 64dB operating sound profile is quieter that your average household vacuum cleaner (74dB), or a blender (80dB).  Source: Yale Environmental Health & Safety

B. 27 Years of Durability

Manufactured in 1997, this unit has survived:

  • 27 years of tropical heat and humidity.

  • Multiple major typhoons that devastated local infrastructure.

  • Decades of “start-stop” cycles necessitated by the frequent grid outages.

Where other genset brands might fail due to a simple, sensitive sensor error, the robust, mechanical nature of this 1997 Denyo ensures it just keeps running. It is a stunning testament to Denyo’s commitment to “over-engineering”, as reflected even in todays newer models.

C. Fuel Efficiency and Economy

Despite its age, the diesel engine remains remarkably efficient. The ability to run for extended periods on a conservative amount of fuel during those long, weekly blackouts is a massive operational and logistical lifeline.

Preparing for the Future

The proven reliability and silent operation of the 1997 DCA-45SPI unit established a profound level of trust in the Denyo brand over 27 years. As the sanctuary embarks on a significant expansion—including the construction of new villas, staff housing, and other facilities—the need for reliable, high-capacity power has grown exponentially.

They have chosen to continue its partnership with Kilton Motor Corporation by investing in several brand-new Denyo DCA units.

This new investment ensures the entire expanding campus maintains the critical power stability required, with new generators ranging from 150 kVA to 300 kVA capacity per unit. The decision to scale up with the same series underscores a commitment to long-term operational stability and validates the fact that when continuous, silent, and dependable power is non-negotiable, Denyo is the preferred solution—a legacy passed down from the original “Silent Guardian.”

The Verdict

In a consumer culture defined by planned obsolescence, where devices are meant to be replaced every few years, the Denyo DCA 45SPI Generator stands as an absolute anomaly. It is the perfect partner for the prominent family’s dedication to decades of landscape preservation, serving as the veritable heartbeat of the sanctuary.

Summary of Success

Technical Snapshot

Features Description
Make/Model
Denyo DCA 45SPI
Production Year
1997 – 1998
Unit Type
Silent Type (Soundproof)
Voltage
220/380-440 Volt, 3 Phase, 4 Wire, 50 Hz, 1500 Rpm
Sound Level
64dB
64dB
Dimension : Length 2000mm, Width 880mm, Height 1250mm

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Gallery

Old Meets New

Genset room 4 has both the new DCA 200SP and the old DCA 45SPI - running in tandem to supply the caretaker's quarters and 2 guest pavilions.

Lush Greens

This is our view on the way to the newly built genset room. Its around .8kms away from genset room 4.

Getting ready to take off?

We also spotted these white birds on the way back from the cliff pavilion - about 1.2kms from genset room 4 and a just a few meters from the genset room 7 of the cliff pavilion where a DCA 75SPI is housed.

Newly Built

Their additional facilities needed the latest Denyo DCA models - DCA 300ES, DCA 150ES and DCA 120ES. With their very low emission, these three won't be harming those trees enveloping the genset room anytime soon.

Testing and Turn-Over

Our site engineer explains the proper handling of the new DCA 150ESI to the authorized personnel of the sanctuary.