Laboratory Capacitive Loading Unit 1.2 kVAR

Product Code : SCL-EAE-12047

The Loading Capacitor 1.2KVAR Bank is a variable reactive load bank used for simulating leading power factor conditions and demonstrating power factor correction in electrical engineering laboratories. Engineered for technical students and instructors, this apparatus provides adjustable capacitive steps to analyze AC network efficiency, transmission line compensation, and synchronous motor behavior safely.

Product Description

The Loading Capacitor 1.2KVAR Bank by Science Lab Supplies provides an exceptionally stable and precise platform for executing advanced electrical power experiments. This laboratory apparatus features a balanced three-phase array of high-grade, industrial-duty metallized polypropylene film capacitors. The internal capacitive elements are carefully rated to withstand voltage transients and maintain stable capacitance over long-duration laboratory experiments under full load.

The entire electrical circuit matrix is securely housed inside a thoroughly ventilated, powder-coated sheet steel enclosure, ensuring maximum physical durability and resistance to electrical stresses in institutional settings. The front control interface features high-durability toggle selectors that permit balanced step-by-step modifications to the capacitive current across all three phases simultaneously. This self-contained setup eliminates the structural hazards of unshielded component networks, making it a critical asset for modern technical institutions expanding their inventory of high-accuracy scientific laboratory instruments.

Key Features

• Balanced Three-Phase Loading: Provides equal capacitive reactance steps across all three lines to maintain system phase equilibrium.
• Premium Metallized Film Elements: Utilizes self-healing, low-loss polypropylene capacitors designed for an exceptional operational lifespan.
• Multi-Step Incremental Control: Outfitted with robust front panel switches for incremental reactive load adjustments up to 1.2 kVAR.
• Ventilated Metal Casing: Built inside a heavy-gauge, anti-corrosive steel frame featuring cooling slots for passive thermal regulation.
• Internal Discharge Resistors: Integrates automatic bleed resistors to safely drain residual electrical charges when the bank is disconnected.
• Insulated Safety Terminals: Equipped with fully shrouded 4mm safety sockets for secure phase connections and neutral line tracking.

Technical Specifications

What's Included in the Kit

• 1 x Loading Capacitor 1.2KVAR Bank master enclosure unit
• 6 x High-current insulated patch cords with 4mm safety connectors
• 3 x Removable phase bridging copper links
• 1 x Comprehensive English operations manual detailing power calculations and wiring configurations

Applications / Uses

• Power Factor Correction Analysis: Functions as the primary capacitive compensation block to correct lagging currents generated by industrial inductive loads.
• Alternator Over-Excitation Tracking: Allows students to apply leading loads to educational alternators to plot charging characteristics and vector changes.
• Transmission Line Modeling: Used to simulate capacitive effects of long-distance overhead transmission networks within structured lab experiment setups.
• Academic Curriculum Science Kits: Serves as a vital power systems engineering component inside multi-subject higher-education science kits.

How to Use the Loading Capacitor 1.2KVAR Bank

1. Place the load bank enclosure on a flat, level, and well-ventilated laboratory workbench or equipment rack.
2. Confirm that all individual front panel load toggle switches are flipped to their absolute OFF positions prior to wiring.
3. Wire the incoming three-phase supply lines from your source or inductive load parallel loop directly to the $L_1, L_2,$ and $L_3$ safety input sockets.
4. Energize the primary power network to 415V AC and sequentially switch on the load steps to introduce capacitive reactive power.
5. Record the changes in total line current and power factor using external bench meters to evaluate the reduction in apparent power ($S$).

Safety Handling Note: Always wait at least 60 seconds after turning off all load switches before handling or disconnecting the patch cords to allow the internal discharge resistors to drain residual electrical energy completely.

Care & Maintenance

• Terminal Visual Audits: Regularly inspect the input terminal sockets for signs of localized heating, discoloration, or loose mechanical joints.
• Enclosure Cleaning: Clean the outer steel chassis and panel face periodically with a dry, lint-free microfiber cloth. Avoid all liquid cleaners or moisture exposure.
• Storage Environment: Store the unit inside a clean, dry, climate-controlled cabinet free of corrosive gases, industrial chemicals, or excessive humidity.

Why Choose Science Lab Supplies

Science Lab Supplies is an internationally recognized manufacturer and global exporter of high-precision scientific laboratory instruments, vocational training systems, and robust educational hardware. Operating under strict ISO 9001:2015 quality control structures, we ensure that our hardware provides exceptional durability, accurate calibrations, and comprehensive user protections. We proudly support vocational schools, polytechnics, and engineering universities across the globe with customized inventory solutions and dependable worldwide supply logistics.

Frequently Asked Questions

• Can this 1.2 kVAR capacitor bank be utilized for single-phase loading?

Yes, because the individual phase paths are broken out independently on the front terminal panel, you can isolate and utilize a single capacitor branch for 220V–240V AC single-phase testing applications.

• What is the purpose of the internal discharge resistors?

The built-in bleed resistors automatically drain the high-voltage residual electrical charge stored within the capacitors once the circuit is switched off, protecting users from accidental shocks.

• Does this apparatus require an external cooling fan?

No, this 1.2 kVAR model utilizes low-loss metallized film capacitors that generate negligible heat, allowing efficient cooling through standard passive convection vents.

• What type of load behavior does this bank simulate?

This unit behaves as a near-perfect capacitive load bank, introducing a leading power factor close to zero ($\cos\theta \approx 0$ leading) into the circuit loop.

• Are the internal capacitor components self-healing?

Yes, the bank features industrial-grade metallized polypropylene film capacitors that incorporate advanced self-healing properties to clear internal micro-faults and prolong component life.

Explore our complete catalog of power system testing modules online, or contact our engineering division today to add this premium Loading Capacitor 1.2KVAR Bank to your facility's collection of professional didactic models.