Pulsar Alternators Pure Copper 30KW 3 Phase |ED-DQT

Parameter	Typical Value

Rated Power

~30 kW

Apparent Power

~37.5 kVA

Phase

3-Phase

Voltage

~380 V AC (configurable)

Current

~54 A per phase

Frequency

50 Hz (60 Hz optional)

Speed

~1500 rpm / 1800 rpm

Winding

100 % Pure Copper

Excitation

Brushless with AVR

Insulation Class

Class H

Cooling

Air-cooled

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3,500,000.00 TSh

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A 30 kW 3-Phase Pure Copper Alternator is a heavy-duty generator alternator head engineered to deliver stable three-phase AC power for industrial, commercial, and backup power needs. With a rated output of ~30 kW (~37.5 kVA) and 100 % copper winding, it ensures excellent electrical performance, higher efficiency, and better heat tolerance compared with alternators using aluminum windings.

This alternator type typically features a brushless synchronous excitation system with an Automatic Voltage Regulator (AVR) to maintain stable voltage under varying loads — ideal for sensitive equipment and motor loads. The Class-H insulation and rugged construction make it suitable for continuous duty in generator sets or industrial power systems.

Due to its balanced three-phase output and robust design, this alternator integrates easily with diesel or gas engines to form complete generator sets used for on-site power, standby systems, remote facilities, workshops, and manufacturing plants.

Typical Use Cases

Standby & backup power for commercial and industrial facilities
Prime power generation for construction sites or remote locations
Integration with diesel/gas generator sets
Industrial loads such as motors, compressors, pumps, HVAC systems
Three-phase distribution networks where balanced, reliable supply is required

Electrical Output

Rated Power (Prime): ~30 kW (~37.5 kVA at 0.8 pf) – continuous three-phase alternating current output.
Phase: 3-Phase AC (balanced output for heavy loads).
Rated Voltage: ~380 V AC (also configurable in ranges from ~208 V up to ~480 V for international use).
Rated Current: ~54 A per phase (at ~400 V).
Frequency: 50 Hz standard (60 Hz optional for some markets).
Speed: ~1500 rpm (50 Hz) or ~1800 rpm (60 Hz) – depending on regional frequency spec and prime mover.
Power Factor: ~0.8 lagging (typical for generator sizing and load balancing).

Construction & Materials

Winding Material: 100 % pure copper windings — provides superior electrical conductivity, efficiency, and heat resistance compared with aluminum windings.
Excitation: Brushless (self-excited) synchronous alternator design with Automatic Voltage Regulator (AVR) for stable output voltage.
Insulation Class: Class H (high thermal tolerance for sustained duty).
Protection/Rating: Often IP23 (standard protection for open alternators) depending on enclosure and build.

Mechanical & Build Features

Poles: 4-pole alternator to match standard generator speeds (1500 rpm for 50 Hz).
Bearings: Single or double sealed ball bearings for reliable rotational performance and long life (varies by manufacturer).
Mounting: Rigid base or flange mount for coupling to engines/prime movers.
Cooling: Air-cooled alternator housing (brushless designs) to maintain operational temperatures.

Performance & Regulation

Voltage Regulation: Typically ±1 % or better with AVR under standard loads.
Output Stability: Designed to maintain stable three-phase output even under transient load changes.
Reconnectable Windings: Models often offer multiple terminal connections for different voltage configurations (e.g., star/delta).

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