Overview

The document provides detailed technical specifications and characteristics for the ECO38 series of industrial electrical generators, including models ECO38-1SN/4, ECO38-2SN/4, ECO38-3SN/4, ECO38-1LN/4, ECO38-2LN/4, and ECO38-3LN/4. These are 4-pole generators designed for 50 Hz and 60 Hz operation.

1. Electrical Ratings and Performance

• Frequency: 50 Hz and 60 Hz options.
• Power Ratings (KVA): Range from approximately 180 KVA to 350 KVA depending on model and configuration.
• Voltage Ratings: Standard voltages include 400 V, 415 V, 440 V, 460 V, and 480 V with configurations for Series Star (Y), Parallel Star (YY), Series Delta, and Parallel Delta connections.
• Efficiency: Efficiency values range from approximately 91.3% to 95.1% at Class H insulation with a temperature rise of 125°C.
• Power Factor: Cos φ = 0.8, 3-phase continuous operation.
• Temperature Ratings: Insulation Class H with temperature rises of 125°C, 150°C, and 163°C depending on ambient conditions.

2. Mechanical and Physical Characteristics

• Protection Class: IP45 standard mechanical protection, with optional IP21 and IP23 available.
• Weight: Varies by model, ranging approximately from 188 kg to 444 kg.
• Noise Levels: Sound pressure levels (dB(A)) are provided at 1 meter and 7 meters distances for both 50 Hz and 60 Hz operation, indicating industrial noise emission standards.
• Dimensions: Detailed overall dimensions are provided for B3-B14 and MD35 mounting forms, including length, width, height, and coupling flange sizes.
• Couplings and Flanges: Specifications for disc couplings and SAE flanges are included, with details on bolt holes, diameters, and angles.

3. Cooling and Airflow

• Air Volume: Airflow rates are specified in cubic meters per minute (m3/min) for both 50 Hz and 60 Hz frequencies, ensuring adequate cooling for continuous operation.

4. Accessories and Optional Features

• Available accessories include thermal protection devices such as PTC and PT100 sensors, heaters, and bimetallic devices (DSR BIMET.).
• Mechanical protection options include IP21, IP23, and IP45 enclosures.
• Regulators and parallel devices (DER-1 SR7/2) are also available to enhance operational control and safety.

5. Standards and Operating Conditions

• Designed for continuous industrial use with Class H insulation rated for high temperature rises.
• Ambient temperature considerations are included, with ratings provided for 27°C and 40°C ambient conditions.
• Noise and vibration levels comply with industrial standards for workplace safety.

Summary

The ECO38 series generators are robust, high-efficiency industrial machines suitable for various voltage and frequency requirements. They offer flexible mechanical mounting options, comprehensive protection classes, and a range of accessories to tailor performance and safety. The detailed mechanical dimensions and coupling specifications facilitate integration into diverse industrial applications.