| Standards | DIN VDE 0110 Teil 1 (IEC 60664-1:1992) |
| VDE 0411 Teil 1 (DIN EN 61010-1 / IEC 61010-1:2001) | |
| VDE 0843 Teil 20 (DIN EN 61326 / IEC 61326: 1997 + | |
| A1:1998 +A2: 2000) | |
| Operation/Control voltage | 90- 550V AC, 45 … 65HZ, 5VA, 1ph |
| (adjustable transformer ratio ) | 1 … 350 |
| No of output relays | 6,12 |
| Output rating | 250V AC / 5A |
| Switching delay | 1s … 1200s |
| Display elements | LCD |
| Operating elements | foil keyboards |
| Measuring current | 10mA … 6A, 20mOhm, 1ph |
| (adjustable transformer ratio ) | 1…4000 |
| External Alarm contact | isolated relay, closed contact |
| Terminals | 4mm² Multiple contact plug |
| Ambient temperature | -20°C … 70°C |
| Humidity | 0% … 98% (no condensation ) |
| protectoin class | Front IP50 (IP54 with special gasket ) |
| Back IP20 | |
| Dimensions H × W × D | 144 × 144 × 58mm (window size Ausschnitt 138 × 138mm) |
| Weight | 0.6 kg |
We are the leading manufacturer of Single Phase HT Capacitor and our setup is situated in Pune, Maharashtra, India.
Venus Series Harmonic Filters are designed to filter virtually all harmonic frequencies (Especially for 3rd Harmonic) and achieve low levels of total harmonic current distortion.
| Size | all |
| Phase | single |
| power rating | upto 513 kvar |
| Voltage rating | 6-12 kv |
| Brand | electronicon |
| Permitted operating voltages | |
| 24h …………….UN | |
| 12h/d ……….1.1 × UN | |
| 30min/d …….1.15 × UN | |
| 5min (200×)…… 1.2 × UN | |
| 1min (200×)…….. 1.3 × UN | |
| max. peak rating …..3 × UN | |
| Test voltage | |
| UBB | AC 2 × UN |
| Inrush current | max. 150 × IN |
| Discharge resistor | inside innen<75V / <10min |
| <75V / <10min | |
| CN tolerance Toleranz | 5% |
The load exerted by Harmonics on the power network nowadays is increased dramatically. The Harmonic currents are caused by non linear loads. A non linear load is a consumer of electricity that draws a non sinusoidal current from the supply network. These Harmonic current flows in addition to the regular sine wave, which generates additional losses in the electrical installations. This can result in the thermal overload. The major impact of the harmonic current results in the non sinusoidal voltage wave form that can compromise the Voltage quality. Sensitive loads like medical devices, It infrastructure etc can be affected with such type of Distorted Supply voltage. Harmonics are dangerous for capacitors connected in the PFC circuit, especially if they operate at a resonant frequency.
The series connection of a reactor and capacitor to detune the series resonant frequency (the capacitor’s resonant requency) helps to prevent capacitor damage. The most critical frequencies are the 5th and 7th harmonics (250 and 350 Hz at 50 Hz grid frequency). Detuned capacitor banks also help to reduce the harmonic distortion level and clean the network.
| Standards | EN 61558-2-20:2000, VDE 0570-2, IEC 60076-6:2007, UL508, C22.2 No.14 |
| rated voltages | 230…12000V |
| rated frequencies | 50/60 Hz |
| Reactor Range | 5-125 kvar |
| tolerance of inductance | |
| (mean value across three phases) | ±3% |
| linearity | = 1.55…2.2 IN |
| Detuning Factor | 5.67%(210Hz), 7%(189Hz), 14%(134Hz) |
| harmonic load (continuous operation) | U3 =0.5% UN |
| (permanent) | U5 = 6.0% UN |
| U7 = 5.0% UN | |
| U11 = 3.5% UN | |
| U13 = 3.0% UN | |
| insulation (winding-to-core) Isolation | 3 kV |
| temperature class | T40 |
| insulation class | B |
| protection class | IP00 indoor mounting |
| humidity | 95% |
| cooling | natural cooling |
| altitude | 4000m |
| winding material | Copper /Aluminium |
| impregnation | Polyester resin, class F |
| terminals | Terminal blocks, cable lugs, or temperature-proof flexible cables |
The increasing use of modern power electronic apparatus (drives, uninterruptible power supplies, etc) produces nonlinear current and thus influences and loads the network with harmonics (line pollution).
The capacitance of the power capacitor forms a resonant circuit in conjunction with the feeding transformer. Experience shows that the self-resonant frequency of this circuit is typically between 250 and 500 Hz, i.e. in the region of the 5th and 7th harmonics.
These resonance phenomena can be avoided by connecting capacitors in series with filter reactors in the PFC system. These so called “detuned” PFC systems are scaled in a way that the self-resonant frequency is below the lowest line harmonic and the detuned PFC system is purely inductive as seen by harmonics above this frequency. For the base line frequency (50 or 60 Hz usually), the detuned system on the other hand acts purely capacitive, thus correcting the reactive power.
Venus Technocrafts