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N Series Low Voltage Generator

N Series Low Voltage Generator

1) Technical Performance:

Insulation and Protection

Adopting high grade insulation paint and advanced impregnating technology with multiple layer insulation protection to stator & rotor assembly, H class insulation system ensures the generator can withstand harsh environment conditions.

Patent Technology

Patent Technology of Stator Winding Structure (SWS):

Enhance the inter-phase insulation strength at the end of winding to protect any short circuit problem among each phase. Enhance the mechanical strength at the end of winding to effectively prevent and withstand the deformation at the end of stator caused by sudden load or short circuit.

Patent Technology of Rotor Insulation Structure (RIS):

Patent triple insulated structure of rotor coil can effectively improve the rotor turn to turn and interlayer insulation, accordingly the damp-proof and anti-corrosion ability, the life span, reliability and environment adaptability of generators is also substantially improved.


The design of 2/3 pitch structure can decrease the harmonic and meet the non-linear load application.

Rated Voltage, Frequency and Parallel Operation

50Hz — 380V-440V(Y);220V-254V(Δ)

60Hz — 380V-480V(Y);220V-277V(Δ)

With rated frequency at 50Hz or 60Hz, N series low voltage generator can operate in parallel with the same type generator.

Excitation System

The standard configuration is self-excited brushless excitation system and steady state voltage regulation≤±1%. For PMG excitation system, the accuracy of steady voltage regulation ≤± 0.5%.

Manual Voltage Regulation

The voltage regulation range of the internal potentiometer of the equipped voltage regulator is ≧ 5%. The output voltage range can be controlled by an external potentiometer purchased by customer himself or an external direct current voltage.


TIF <50 ,THF <2%

Three Phase Short Circuit Current

The three phase short circuit current is more than three times the rated current.(>300% In,10s).

Transient Voltage Regulation

Under sudden load and unload condition, the range of transient voltage regulation is between -15% to +20%, and the recovery time ≤1.0s.

Wiring of Single Phase Generator

EG315 and below generators have 12 leads available for various wiring.

Rotor Dynamic Balancing

All rotors have been dynamically balanced at factory before delivery.


The none drive end (NDE) of frame EG355 and below generators are configured with sealed self-lubricating bearing, while the rest models are configured with regreaseable bearing. The maximum over speed is more than 2250 rpm.

Over load

Over load allowance:10%(2 hours in every 24 hours) , 15%(10 mins) , 30%(4 mins), 50%(2 mins).

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Contact Us
  • Add.: Room 601, Laboratory Building, No.2 Gaohua Road, Nanning, Guangxi, China.
  • Tel.: +86 771 5805 269
  • Fax: +86 771 5805 259
  • Cellphone: +86 134 8102 4441
                    +86 138 7819 8542
  • E-mail: sales@dieselgeneratortech.com
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