Krishna Power Solutions

We are a unique entity in this industry, actively committed towards offering a premium quality range of Active Harmonic Pollution Filter.

Price Range: Rs. 500000 - 1000000 Per Unit

Other Details:

• Liebert AF3 is a state-of-the-art active filter that dynamically cleans up the
• harmonics and improves the power factor for all types of electrical installations.
• It comes with dynamic control features and has no resonance effects, no reactive
• power circulation, and no passive components.

Harmonic & PF Compensation

• To reduce harmonics and improve the power factor of UPS, Rectifiers, AC & DC Drives# etc.

• To improve PF of motor loads (i.e.,inductive loads).
• Can be used at the output of UPS, to reduce harmonic effects on UPS and increase available capacity. The UPS will supply only fundamental and active power.
• Can be used as Hybrid filter i.e., it can be used along with passive filter and capacitor filter, resulting in reduction of cost and rating of active filter.
• A single unit can be used at the input of multiple UPS.

Remote monitoring & Diagnosis

• All front display parameters including
wave forms can be monitored
through PC.
• Supports MODBUS protocol.
• Inbuilt Ethernet based TCP/IP, HTTP,
SNMP Support. optional Load
2
Main source
• Potential free contacts for monitoring
the status of filter.

We are a unique name in the industry, devoted towards offering the best quality range of Active Harmonic Filter.

Price Range: Rs. 500000 - 1000000 Per Unit

Other Details:

• During the last few years industries has witnessed an increasing awareness of clean power, power system harmonics and
• associated problems in low-voltage systems, both in power utilities and consumer segment. Harmonics being one of the major
• contributors of poor power quality, a better understanding is essential to minimize it’s effects.

Effect of Harmonics:

• Overheating of Generator, motor,
• transformer.
• Overvoltage conditions on supply
• system.
• Increased transformer losses (need
• to over-size)
• Nuisance tripping of circuit
• breakers
• Improper operation of
• microprocessor-based equipment
• Overheating and possible
• resonance with capacitors
• Harmonics are periodic, sinusoidal & integer multiples of fundamental frequency
• (50 or 60Hz), current or voltage components, present in nonsinusoidal waveform.
• Re-injection of harmonic currents
• into the utility network.
• Neutral burnout.
• It distorts pure sinusoidal waveform and turns it to a non-sinusoidal waveform.
• Insulation breakdown.
• Harmonics can only be measured by electronic measurement devices
• Decreasing Distribution Capacity
• due to hot cables.

Which Equipment in your facility is responsible?
Harmonics are the by-products of Modern facilities and Electronic equipment.
These are often called non-linear loads.
Examples of such loads are:
• Servers, Computers, PCs, Printers and other IT Equipment
(Having Switch Mode Power Supplies)
• Controlled Rectifiers, Battery Chargers, Uninterrupted Power
Supply (UPS) systems
• Phase controlled AC voltage regulators
• Compact Fluorescent Lamps, Fan regulators
• Traction Equipment
• Arc Furnaces or Induction Furnaces, Welding Machines
• Adjustable Speed AC and DC Variable speed motor drives
• PLC, DCS and SCADA systems (SMPS)
• Solid State Heater Controls
• HVDC sending and receiving end equipment

We are devoted towards providing the qualitative range of AF3 Active Harmonic Filter.

Price Range: Rs. 500000 - 1000000 Per Unit

Other Details:

• Liebert AF3 latest technology to eliminate harmonic
• injected into the mains supply by non linear loads, as well
• supplies inductive power demanded by the load, so as to
• correct input power factor to near unity.

• Current harmonic elimination is achieved by sensing load current & extracting

• harmonic current signal. This and the reactive current signal, together are used to
• generate a reference for the controlled current source connected at the PCC(point
• of common connection) of source and load.This results in mains supplying only real
• power for the load and reactive & harmonics being sourced from the AF3.This is
• carried out dynamically,so that any change in the load pattern or its nature is

• immediately responded without any manual intervention.

• In the following example first figure shows the recorded input current waveform of
• a six pulse thyristorised rectifier.
• Bottom figure shows considerable improvement in the waveform due to AF3
• connected in shunt.
• One is with only harmonic correction and the other is with power factor & harmonic
• correction.

We are highly acclaimed in the industry for offering an optimum quality range of Active Harmonic Filter.

Price Range: Rs. 500000 - 1000000 Per Unit

Graphic display

• Harmonic spectrum up to 64 th
• harmonic of line current.
• True measurement of line voltage, current, kVA, kW, pf.
• Waveform showing real time display visual of line current and voltage.
• Harmonics and pf configuration.