GE 18L0009WH High Voltage Capacitor
GE 18L0009WH
Functional Description
The GE 18L0009WH is a single-pole protective capacitor developed for high-voltage AC electrical systems. It is part of GE’s Dielektrol capacitor range and is designed to support insulation protection in rotating machinery applications.
In generator and motor installations, switching operations and other electrical disturbances can produce transient overvoltages. The capacitor works as part of a coordinated surge protection arrangement to help control voltage distribution and reduce stress on machine windings.
Electrical Characteristics
The main characteristics of this model include:
- Manufacturer: General Electric
- Part Number: 18L0009WH
- Equipment Category: Protective Capacitor
- Rated Voltage: 13.8 kV RMS
- Maximum Voltage: 15.18 kV RMS
- Capacitance: 0.25 μF
- Pole Configuration: Single Pole
- Insulating Material: Non-PCB dielectric
- Mounting Type: Surface Mounting
- Frequency: 50/60 Hz product family
Design and Construction
The capacitor uses a dielectric film construction with sealed bushings. Its enclosure is designed for high-voltage electrical installations and supports suitable indoor or outdoor mounting arrangements.
Internal discharge resistors are provided in this protective capacitor family to help reduce residual electrical charge after disconnection. The unit’s construction supports stable electrical characteristics under specified operating conditions.
Main Advantages
Voltage Surge Protection: Helps limit transient voltage stress in coordinated protection systems.
Insulation Support: Contributes to protecting generator and motor winding insulation against electrical disturbances.
Industrial Durability: Designed for demanding electrical infrastructure environments.
Flexible Installation: Suitable for approved indoor and outdoor installation arrangements.
Typical Applications
The GE 18L0009WH can be incorporated into surge protection systems for AC rotating machines. Typical applications include large industrial motors, synchronous generators, turbine-driven generators, and power station electrical equipment.
It is particularly relevant in installations where high-voltage winding insulation requires additional protection against transient electrical stresses.
Maintenance Guidelines
Regular inspection is recommended to identify damaged bushings, loose connections, corrosion, or enclosure deterioration. Electrical testing should be conducted according to the manufacturer’s procedures.
Always verify the rated voltage, capacitance, mounting orientation, and system compatibility before installation. High-voltage capacitor maintenance must be performed by qualified electrical personnel.
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