Harmonic Analysis Services

Harmonic Analysis Services

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Harmonic analysis services analysis or harmonic modelling is an arithmetical method of foreseeing potential resonances and harmonic distortion levels depending on the available power system data. All but the simplest of systems will require a computer to perform this analysis

Harmonic Analysis and Solution

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Harmonic analysis & solutions benefits (a) identify power quality problems (b) reduce nuisance trips (c) extend equipment life (d) improve system reliability scope 1. Harmonic analysis is typically conducted as part of a power quality study to identify the source of harmonics and develop a plan for corrective action. 2. A harmonic analysis study can: (a) identify harmonic problems (b) reduce nuisance trips (c) calculate load flow (d) identify & analyze telephone interference problems (e) identify parallel resonance condition 3. Once a study is complete, a report will be issued including: (a) rms voltage & current, total harmonic distortions, bus impedances (magnitude & angle) tabulation, graphical one-line display of harmonic results, voltage & current harmonic spectrum plots, fundamental load flow results (b) recommendations for corrective action.

Harmonic Analysis Services

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Located in Madhya Pradesh, India, we are known for providing top-notch harmonic analysis services to our worthy clients. We understand that harmonic distortions are one of the most common problems occurring in the industrial environment. Thus, we make use of modern work methods & techniques and suppress them for attaining maximum productivity. Clients can provide their specific requirements; we guarantee to work accordingly. Our service charges are also reasonable.

Comprehensive Harmonic Analysis & Reactive Power Compensation Study

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Harmonic Analysis is Targeted to identify the harmonic distortion within the distribution & its effects on overall power quality & compliance to IEEE 519 standard. This Electrical study involves recording of Harmonic distortion using high end Power Quality Analysers right from the point of connection with utility till downstream end loads. This is an investigative study to understand impact of distortion & identify the reasons for the distortion.Reactive power compensation is a critical area as it can impact the monthly power bill for any industry. We conduct detailed Reactive Power Compensation study & understand the requirement of various loads as well as the associated losses. The reactive power compensation technology used & its impact on Harmonic distortion is checked. The data collected is analysed by Experts & is also simulated on E-tap software to design optimized solution.

Harmonic Analysis Services

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Identify the areas for harmonic study as per the SLD/Technical data shared with us. Walk through Electrical installation survey covering electrical safety & reliability, design adequacy as per the area identified for harmonics study. Testing & Review of harmonics distortion. Data collection consists of close inspection and detailed documentation, using methods including Digital Power analyzers and actual field measurements.

Harmonic Analysis

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Today's engineers are finding a power quality problem that is becoming increasingly apparent is the harmonic distortions of fundamental sinewave. This power problem has arisen due to extensive use of non linear loads (nll) in todays power systems those alter sinusoidal shape of waveform and cause harmonic generation. Harmonics are defined & expressed as total harmonic distortion thd(voltage), total harmonic distortion thd(current) and individual harmonics like 2nd, 3rd, 5th, 7th, 9th, 11th, 13th etc. Harmonics are measured in percentage of fundamental values of voltage or current. Harmonic distortion in its dormant stage injects energy losses along its path in the power system and under favourable resonance condition causes widespread equipment failure. Analyzed below are comprehensive list of harmonic problems equipment wise those we have solved by suppression of harmonics distortions using passive tuned harmonic filter. capacitor: the most common harmonic issue engineers discover while conducting harmonic audit is capacitor drawing higher currents, bulging, flashing or blasting with detuned filter reactor or switchgear. Capacitor itself does not cause harmonic problem but if significant non linear loads are present in the power system capacitors aggravate the potential harmonic problem. Any combination of capacitance & inductance forms a resonance frequency circuit at which the capacitive & inductive reactance equal. If significant harmonic energy is present either inside the plant or outside in the grid and its frequency matches with that of the resonance frequency formed by the power factor (pf) correcting capacitors or detuned filters it will excite current into an oscillation resulting harmonic magnification in the entire electrical power system. Its effect can damage critical equipment and reflect in an excessively high harmonics level. electronics loads document power quality failure issues like vfd/vsd drives electronic card failures, dc drive electronics card failures, power electronics, plc, dcs, scada, ups or control ckt card failures; power thyristors, scr, igbt, diodes, spike/surge arrestors, thyristor fuse failures; computer/ lab/ data center server hard disk, cpu, control, communication and/or smps card failures. Passive tune harmonic filter suppresses both voltage and current harmonics from the supply power. It provides clean & quality power and thus solves all power and control electronic failure issues. Extensive analysis of harmonics across all industries on squirrel cage ac induction motors (sqim) diagnosed a list of motor harmonic problems. These are high bearing temperature, unbalance 3phase currents, stator winding failure burn, ground, phase short circuit or melt with winding coil open circuit. stator windings fail or rotor bar damage during motor start with high inertia loads due to magnetic saturation that lead to excessively high motor starting current overrun condition. Motor failure happens with high harmonic distortion in power systems because of the use of non linear loads. Passive tune harmonic filter mitigates harmonic distortions from the motors power supply system that prevents its failure. Harmonic audit & measurements on slip ring ac motors (srim) across most power intensive industries has developed a list of encon audited harmonic failure issues. Those are high bearing temperatures, unbalanced 3phase current, stator winding failures burned, grounded, phase short circuited, melted with coil winding opened up. Rotors external copper link, ring or air cooled resistance burn from prolonged harmonics overheating and even the sturdy rotor windings fail. Motors stator or rotor winding fails while motor starting with high mass loads due to magnetic saturations leading to excessively high motor starting current overrun conditions. Harmonic survey for ht srim specific power quality failure issues include insulation failure or terminal connection melting between rotor coil and its slip ring, rotor shaft and/or its gear box (gb) damage or break down. Those happen if excessively high harmonic voltage or current is present in factory's electrical power system or due to series harmonics resonance on interaction between utility/grids harmonic and plants electrical power systems impedance. Passive harmonic filter blocks grid/utility related harmonic resonance and blocks any possibility of such extreme harmonic distortions entering into the that prevent motor failures. for dc motors (dcm) list of encon surveyed harmonic problems include field overcurrent, commutator overheating, irregular gaps between commutator segments happens when soldering bond between them gives up, dc motor field winding failure burning, earthing, melting or winding coil opening up, dc motor armature winding failure burning, earthing, melting or winding coil opening up and occasionally even the sturdy commutator fails from excessively high harmonics current overheating. encon harmonics survey on switchgear lists down encountered power quality problems like overheating, blackening, burning or blasting of fuse/sfu, its lyra/u type contact that holds both ends of the fuses I type contact overheats with harmonics current thereby slowly loosing its spring tension that eventually results in abrupt fuse/ sfu flashing or blasting; air circuit breaker (acb) both moving jaw (u type contact) and fixed jaw (i type contact) overheat, slowly burn and eventually blast with minor fault within its electric power systems, molded case circuit breaker (mccb) fixed and moving contacts welds with prolonged harmonics overheating; power contactors fixed & moving contacts chatter & eventually get welded due to prolonged harmonic overheat. Current transformer (ct) copper winding fails with burns, grounds, short circuits, melts or open circuit. Potential transformer (pt) winding fails/flashes/blasts with burns, grounds, shorts circuit, melts or open circuits. Encon harmonics study on bus bar and cable delineates power quality issues as like cable lug overheating and terminal insulation burning, high bus bar noise & vibration problems, 3phase voltage unbalance alone the bus bar running length, irregular voltage drop between phases at the load ends of the bus bars or cables. encon’s power quality analysis on high voltage (hv/ht) power transformer & low tension (lt/lv) distribution transformers diagnoses mostly transformer hv/ht high voltage winding failure issues like burn, ground, phase short circuit, melt or open circuit. Those happen due to series harmonics resonance on interactions between utility/grid harmonics and plants electrical power systems. Passive harmonic filter blocks grid/utility related harmonic resonances and thus removes such power quality disturbances from transformers power system. Another harmonic problem that affects a power or distribution transformer is the presence of high current/voltage harmonic within the plant or parallel harmonic resonance on interactions between capacitors/ detune filters and plant power systems impedance. It could devastate transformers winding either hv or lv which could fail, burn, ground, short or melt causing an open circuit. Tune harmonic filter solves any resonance problem either grid ignited/initiated series harmonics resonance or in house plant originated parallel harmonic resonance. It suppresses both voltage and current harmonics. It thus provides the most comprehensive power quality solutions. Passive harmonic filter reduces transformer winding temperature up to 10deg.celsius depending upon its power system harmonic distortion levels, increases energy efficiency, strengthens insulation and enhances its life of operations. Encon power quality survey for industrial cogeneration steam power plant (coal based or green fuels like bagasse/ rise husk/ agro waste based) diagnosed mostly high winding temperature problem for tg alternator/ generator. It’s either due to high voltage/current harmonics distortion within the plant or parallel harmonic resonance from interaction between capacitor/ detune filter and its electrics power system. Passive tune harmonic filters mitigate generator overheating, reduce up to 10deg.celsius generator winding temperature depending upon harmonic distortions level in its electric power system. Our harmonic audits for power plant turbines diagnose numerous harmonic related issues showing up at its mechanical performance. Those are turbine bearing overheating, high noise vibrations or damage; turbine to generator gear box (gb) shaft high vibration noise or damage, gear box high noise vibration, overheat or damage. Those happen mostly due to series harmonic resonance on interactions between utility/grids harmonic and plants electrical power systems impedance. Passive harmonics filters block the possibility of harmonic resonances thus eliminating such power quality disturbances. It saves the turbine and its critical components. Another major turbine related harmonic problem that co gen power plants turbine encounters originate from in house plant harmonics or from the parallel harmonic resonance through interaction of capacitor/ detune filter with its electrical power systems impedance. Turbine fails to deliver its full power/kw capacity and its nozzle chest pressure rises close to its tripping limit which is 80% of inlet steam pressure; at much less of its rated power/kw delivery point. Passive tune harmonics filters effectively suppress voltage/current harmonics at turbine generators power system, slash turbine chest pressure up to 30% depending upon its power systems harmonic distortion level. It thus releases excess turbine capacity for higher productivity, slashes turbine steam consumption and effects energy conservation for plants higher profitability. Conventional engineering approach lowers load factor wherein degree of equipment derating scales up with degree of nll. It helps in skirting the problem but with a guzzling infrastructure that not only produces lesser quality product but also requires higher investment cost. Power system though manages to survive harmonic but the virus remains in dormant stage. And occasionally strikes under favourable conditions that cause poor voltage and frequency regulation; nuisance trip or even equipment failure. Electronics are first to fail being most susceptible followed by capacitor, fuse, switchgear, motor –ac/dc/servo, ct, pt, transformer, cable and terminations. you may like to visit “our credentials” that list down variety of problems those we are regularly called upon to trouble-shoot. In-addition you may like to visit “knowledge center” for ways & means of its eradication. encon “smart solutions” reach right at the melting pot wherein the problems of power quality lies and mitigate it most effectively & very efficiently. This is the domain and usefulness of passive tune harmonics filter that reaps rich rewards that you can count on. Encon harmonic filter reconstructs distorted sinusoidal waveform back into sine wave that eliminate bad power quality surges of voltage dips, current swings & power fluctuations. "encon ih filter" acts as if like injecting ageless potion into your plants and machineries transforming them instantly into impossible is nothing like performances. The extent of harmonic distortions in an electrical power systems or for that matter the spread of bad power quality depends upon the immunity of an individual electricals distribution system namely the short circuit impedance stability of the power system. This simple fact delineates power quality & harmonics distortions correction project is not a mass manufacturing process. It also explains why worldwide many peer solutions particularly with active harmonic filters are increasingly translating into a medicine worst than the disease itself. An on-site power quality audits and harmonics distortion measurements is a safer approach though not mandatory. It is also possible to design an effective power quality harmonics solution from distance if power systems single line diagram (sld) and load data either running or estimated design loads, is furnished.

Harmonic Analysis Services

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We are one of the reliable service providers, engaged in offering the best Harmonic Analysis Services. These services are essential for managing and reducing the flow of reactive power to attain higher efficiency of electrical systems and a considerable decrease in the cost of electricity consumed. Our team of adroit professionals stringently monitors the services at each and every stage to avoid any flaw. Further, we are widely known for timely competition of our projects and reasonable rates. Details : The Harmonic Analysis module provides the best tool to accurately model various power system components and devices to include their frequency dependency, nonlinearity, and other characteristics under the presence of harmonic sources This module has two analytic methods, Harmonic load flow and Harmonic Frequency Scan, which are the most popular and powerful, approaches for power system Harmonic analysis By using those two methods in combination, different harmonics indices are computed and compared with the limitations as per IEEE-512-1992 standard for Harmonics level in industrial plant Results of Harmonic analysis can be used to design adequate Harmonic filter for the respective pre-dominant contents Basic data collection, measurement of harmonics with power analyzer, performing simulation of measured harmonics data, analysis on measurement data, recommendation for cost effective guaranteed solution

Harmonic Analysis Services

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Load Flow Analysis is carried out to observe the Loading Pattern and the conditions of poor Average Power Factor maintained in the plant and to suggest suitable remedial measure to maintain healthy Average Power Factor thereby achieving the following benefits.

Harmonic Analysis Services

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