**Silent Diesel Generator Set (Low-Noise Diesel Generator Set)**

As the name suggests, a silent diesel generator set (also known as a low-noise diesel generator set) is designed to produce minimal noise. 

It is used in locations that require diesel generator power while aiming to avoid noise disturbances, such as real estate properties, hotels, 

factories, post and telecommunications facilities, commercial buildings, entertainment venues, hospitals, shopping malls, industrial and 

mining enterprises, residential areas, and other environments with strict noise requirements. It serves as either a primary or backup power source.

**(Longhong Generator) LHGF Series Silent (Low-Noise) Diesel Generator**

The "LONGHONG" silent enclosure, developed by our company, is a new-generation product independently designed and 

engineered after studying and assimilating advanced technologies from internationally renowned silent (low-noise) enclosures. 

This series features synchronous generators, developed by our factory with contemporary international standards, 

coupled with well-known domestic and international diesel engine brands. The product has been mass-produced and introduced to the market.

**Structure of the LHGF Series Diesel Generator Silent Enclosure:**

* Compact overall size, lightweight, structurally streamlined, and aesthetically modern design.  

* The acoustic enclosure features an attractive design, easy assembly and disassembly, and user-friendly operation.  

* Multi-layer shielded impedance-mismatched acoustic enclosure for superior noise isolation.  

* Efficient noise-reducing multi-path intake and exhaust systems ensure optimal engine performance.  

* Advanced ventilation and heat radiation prevention measures maintain the generator set within an ideal operating temperature range.  

* Specialized noise-absorbing materials significantly reduce mechanical noise.  

* Highly effective vibration-damping measures ensure smooth and stable operation of the diesel generator set.  

* Observation windows and emergency stop buttons are strategically placed on the enclosure for convenient operation and monitoring.  

* Equipped with an automatic voltage regulator (AVR) for excellent performance and reliable operation.  

* Large-capacity base fuel tank supports continuous operation under load for up to 10 hours.  

* Noise levels reduced to 65–75 dB(A) (measured at a distance of 7 meters from the source).  

* Specially designed quick-access panels facilitate easy maintenance and servicing.  

* Direct-injection combustion chamber ensures high combustion efficiency and low noise output.

**Applications:**  

This silent diesel generator set is equipped with exceptional noise-reduction capabilities and is widely used in industries such as hospitals, 

schools, and many others. Its integrated design and fully independent configuration can meet power requirements under any circumstances.

**Performance of the LHGF Series Diesel Generator Silent Enclosure:**

* Noise (measured at 7 meters from the set): ≤65 dB(A)  

* Steady-state voltage regulation: ≤±1%  

* Transient voltage regulation: +20%; -15%  

* Steady-state frequency regulation: ≤5%  

* Transient frequency regulation: ≤±10%  

* No-load voltage adjustment range: ≥(96–105)% of rated voltage (Un)  

**Technical Specifications of the LHGF Series Diesel Generator Silent Enclosure:**

* Rated voltage: 230V/400V (customizable for different national voltage standards)  

* Rated speed: 1500 rpm / 1800 rpm  

* Rated frequency: 50 Hz / 60 Hz  

* Rated power factor: 0.8 (lagging)  

* Base fuel tank capacity: Supports continuous operation under load for up to 10 hours.