Industrial Generator Ratings and Specifications

This document provides detailed technical data for industrial generators, focusing on electrical ratings, mechanical dimensions, efficiency, noise levels, and accessory options.

1. Electrical Ratings and Configurations

• Voltage and Frequency: Rated for 400 V, 415 V, 480 V systems at 50 Hz and 60 Hz frequencies.
• Connection Types: Series Star (Y), Parallel Star (YY), Series Delta (∆), Parallel Delta (∆∆).
• Power Ratings: KVA ratings provided for continuous 3-phase operation at power factor 0.8.
• Temperature Classes: Insulation classes H (temperature rise ΔT=125°C) and F (ΔT=105°C) with corresponding efficiency percentages.
• Industrial Ratings: Various voltage and current ratings are tabulated, including standby and continuous ratings at different temperature rises and ambient conditions.

2. Efficiency and Performance

• Efficiency values range approximately from 90% to over 95%, depending on model and operating conditions.
• Temperature rise and ambient temperature significantly affect rated power and efficiency.
• Noise levels (dB(A)) are specified for different models and operating frequencies.

3. Mechanical Specifications and Dimensions

• Overall dimensions are provided for different frame types (B3, B14, MD35) and models (ECP34 series variants).
• Details include weight (in kg), moment of inertia (J in kgm²), and air volume flow rates at 50 Hz and 60 Hz.
• Coupling and flange dimensions are specified with measurements in millimeters, including bolt hole counts and sizes.

4. Protection and Accessories

• Mechanical protection ratings include IP21, IP23, IP45, and IP55.
• Thermal protection devices such as PTC and PT100 sensors are available.
• Additional accessories include heaters, parallel devices (DER-1 SR7/2), bimetallic devices (DSR), and regulators (UVR6).

5. Standards and Operating Conditions

• Ratings are given for ambient temperatures typically around 40°C.
• Temperature rise classes and insulation classes define operational limits and safety margins.
• Noise and air flow data support environmental and cooling considerations.

Summary

This technical document comprehensively covers the electrical and mechanical specifications of industrial generators in the ECP34 series, including multiple configurations and protection options. It provides critical data for selecting appropriate models based on power requirements, environmental conditions, and installation constraints. Efficiency and noise data support performance optimization, while detailed mechanical dimensions facilitate integration into existing systems.