E1S10L L KE 50 Hz J609a
Condition: USED 8 HOURS 34 MIN USED 8HOURS AND 34 MIN SEE PHOTO

Rated power at 50 Hz (kVA): 9
Rated power factor: 0.8
Rated temperature (°C): 40
Control system: self-excited
Execution : with brushes
Regulation type: AVR+compound
Insulation class: H
Protection: IP21
Maximum excess running speed (rpm): 4500
Overload of 110% of nominal power for one hour in a 6-hour cycle
Power requirement air flow (m3/min): 3.6 at 50 Hz
RFFI suppression standard EN55011

Technical Sheet and Detailed Description of the E1S10L L KE 50 Hz J609a Alternator

1. General Description

The E1S10L L KE 50 Hz J609a Alternator is a compact electric generator, designed for applications requiring modest but reliable power. With a nominal power of 9 kVA, it is particularly suitable for uses where continuity of the electrical service is essential, such as in small industrial plants, mobile construction sites, or as a backup energy source. This specific model was used for just 8 hours and 34 minutes , making it practically new and particularly interesting for those looking for a used alternator in excellent condition.

2. Technical Specifications

• Model: E1S10L L KE 50 Hz J609a
• Condition: Used (8 hours and 34 minutes of use)
• Nominal power at 50 Hz: 9 kVA
• Rated Power Factor: 0,8
• Nominal Temperature: 40°C
• Control System: Self-excited
• Version: With brushes
• Type of Regulation: AVR (Automatic Voltage Regulator) + Compound
• Insulation Class: H
• Protection: IP21
• Maximum Excess Gear Speed: 4500 rpm
• Overload: 110% of rated power for one hour in a 6 hour cycle
• Air Flow Requirement: 3.6 m³/min at 50 Hz
• RFFI Suppression Standard: EN55011

3. Composition of the Machine

E1S10L L KE 50 Hz J609a alternator is made up of various fundamental components:

• Stator: The fixed part of the alternator, which contains the windings where the electric current is induced.
• Rotor: The moving part that generates the magnetic field necessary for the production of electricity.
• Self-Excited Control System: System that provides the energy necessary to energize the rotor without the need for external sources.
• Brushes: Components that transfer electrical current to the rotor.
• AVR (Automatic Voltage Regulator): Device that automatically regulates the output voltage to keep it stable.
• Cooling System: Includes fans and openings for air passage that ensure cooling during operation.
• Frame: Load-bearing structure that protects and keeps all the components together.

4. Use and Optimization

How to use it:

1. Installation:

   • Place the alternator on a stable surface, away from heat sources and with adequate ventilation.
   • Connect the output cables to the network or to the devices to be powered.
   • Connect the control system, making sure the AVR is properly set to maintain stable voltage.

2. Startup:

   • Turn on the excitation system to start generating the magnetic field.
   • Bring the alternator to the operating speed of 50 Hz, checking that the parameters are correct.
   • Monitor the output to ensure that the voltage is stable and within specifications.

3. Operation:

   • During operation, constantly monitor voltage, current and temperature to avoid overcharging or overheating.
   • Use the AVR to maintain a stable output voltage, even when there are variations in the connected load.

When to use it:

• Small Industrial Plants: Perfect for powering small workshops or plants where the power required is moderate.
• Mobile Construction Sites: Ideal for providing energy on temporary construction sites, thanks to its ease of installation and use.
• Energy Backup: Excellent as a reserve generator in case of interruptions to the main electricity grid, thanks to its ability to start quickly and maintain a stable voltage.

Materials he works with:

• Electrical Energy: The alternator converts mechanical energy into electrical energy. It can power a wide range of electrical devices, including industrial machinery, lighting systems, and emergency equipment.

Formulas for process optimization:

• Active Power (P):
  P=S×cos⁡(ϕ)P = S \times \cos(\phi)
  $P$ $=$ $S$ $\times$ $\cos$ $($ $\varphi$ $)$ Where:

  • PP $P$ is the active power (in kW),
  • SS $S$ is the apparent power (in kVA),
  • cos⁡(ϕ)\cos(\phi) $\cos$ $($ $\varphi$ $)$ is the power factor.

• Efficiency (η):
  η=PoutPin×100%η = \frac{P_{out}}{P_{in}} \times 100\%
  $\eta$ $=$ P in ​P o u t ​​× $100\%$ Where:

  • PoutP_{out} $P$ o u t ​is
  • PinP_{in} $P$ in ​is

• Nominal Current (I):
  I=SVI = \frac{S}{V}
  $I$ $=$ V S ​Where

  • II $I$ is the rated current (in A),
  • VV $V$ is the nominal voltage (in V).

5. Maintenance

Ordinary Maintenance:

• Brush Inspection: Regularly check the condition of the brushes to ensure they are clean and well aligned.
• Cleaning the Cooling System: Remove dust and debris from the cooling system to maintain adequate airflow.
• Checking the AVR: Monitor the performance of the AVR and calibrate it if necessary to ensure stable voltage.

Extraordinary Maintenance:

• Replacing the Brushes: When the brushes are worn, replace them with original components to avoid damage to the rotor.
• Checking the Excitation System: Periodically check the integrity of the excitation system and replace any defective components.
• Control System Calibration: Carry out a complete calibration of the control system after each extraordinary maintenance intervention.

6. Alternatives and Considerations for Purchasing a Used Vehicle

Alternatives:

• Brushless Generators: Modern brushless alternators that require less maintenance and offer longer life.
• Inverter Generators: Offer more precise voltage regulation and greater energy efficiency, particularly suitable for sensitive electronic devices.

Choosing a Used One:

• Checking Hours of Use: Prefer machines with a few hours of use, like this model which was used for only 8 hours and 34 minutes.
• Condition of the Brushes: Check that the brushes are in good condition and that they do not show signs of excessive wear.
• Documentation and Maintenance History: Request complete documentation of the machine to ensure it has been properly maintained.

Why it is better to buy used:

• Economic Savings: Buying a used alternator allows you to save significantly compared to a new model.
• Reliability and Availability: Used models, like this one, which have been used very little, offer the same reliability as a new one, but at a lower cost.
• Sustainability: Purchasing used machinery helps reduce waste and promotes sustainable use of resources.

E1S10L L KE 50 Hz J609a alternator represents an excellent choice for those looking for a reliable and practically new generator, suitable for small-scale industrial applications or as an energy backup. With a power of 9 kVA, a power factor of 0.8 and only 8 hours of use, this alternator offers high performance at a competitive price, making it a very attractive option for purchasing a quality used one.