Quad Booster (Regulating Transformer)
A regulating transformer injecting variable voltage in series with a transmission line for precise voltage and power flow control.
A quad booster (regulating transformer) comprises an exciter (shunt) unit and a series boosting unit, injecting a variable voltage in quadrature with the line voltage. Used for precise voltage regulation and power flow control in transmission networks.
Applications: controlling power flow on parallel transmission lines, interconnecting grids at different voltage levels, compensating for long-line voltage drops. Provides independent control of voltage magnitude and phase angle.
Comprises two separate cores: shunt unit connected across the line providing excitation; series unit injecting controlled voltage. Often equipped with on-load tap changers for continuous adjustment.
QDTB engineers regulating transformers for transmission applications with power transformer ratings. See selection guide for specification guidance.
Related Products
Related Terms
Voltage Regulation
The change in secondary voltage from no-load to full-load as a percentage, indicating voltage stability.
On-Load Tap Changer (OLTC)
A device changing transformer tap positions under load without interrupting supply for automatic voltage regulation.
Power Transformer
A large transformer (>10 MVA) used in transmission networks for stepping voltage between system levels.
More Terms Starting with “Q”
QA/QC (Quality Assurance/Quality Control)
Systematic processes ensuring transformer design, manufacturing, and testing meet all specified standards and customer requirements.
Quick Disconnect Coupling
A separable connector enabling rapid, tool-free disconnection of transformer cables for maintenance and reconfiguration.
Quality Oil (Insulating Fluid)
High-grade mineral or synthetic insulating fluid with optimized dielectric, thermal, and chemical properties for transformer service.
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