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Jupiter

Professional Power Quality Analyzer

Description


 

Elcontrol Energy Net, leader-company in the field of measurement and control of electrical parameters, has expanded its range of portable analyser range with JUPITER, a high-performance Power Quality Analyser.

Further to measurement of all traditional electrical parameters, Jupiter is capable of analysing the major phenomena characterizing Power Quality: interruptions, voltage variations (dips & swells), harmonic and interharmonic distortion, transients and 3-phase voltage unbalance. Furthermore, Jupiter is also capable of verifying the compliance of the power supplied by the system with the limits set by the EN 50160 standard.

The measurement methods are compliant to the EN 61000-4-30 standard.

The colour LCD display allows visualization of data-tables, real-time waveforms of the measured signals, voltage and current transients, vector diagrams and bar-graph display of the harmonic spectrum, while the alphanumeric keyboard makes it easy and user-friendly.

With Jupiter it is possible to perform particularly detailed measurement surveys, saving the data on a COMPACT FLASH memory. The stored data can be successively analysed on a Personal Computer using the included PQ Studio software.

A full set of accessories make this a truly complete system: 3 flexible Rogowski-coil current transducers (without external amplifier/battery), 6 voltage measurement cables with crocodile clips, 10 rechargeable batteries (Jupiter is equipped with an internal battery charger), external desktop power supply, Compact Flash, Analysis software PQ Studio, shock-resistant IP64 carrying case.

The long operational life-time of Jupiter is guaranteed by its open-source Operative System, continuously updated and made available to the users by Elcontrol's development team upon any modification of the Power Quality Standards (files are downloadable to the Compact Flash from the Internet).

 

JUPITER KIT includes:

 

·     JUPITER Power Quality Analyser

·     DESKTOP POWER SUPPLY

·     10 RECHARGEABLE AA BATTERIES (2000mA/h, NiMh)

·     COMPACT FLASH 512Mb

·     6 VOLTAGE MEASUREMENT CABLES

·     6 CROCODILE CLIPS

·     3 FLEXIBLE CURRENT TRANDUCERS; 1000A current range

·     CD ROM with “PQ STUDIO” SOFTWARE

·     USER MANUAL

·     IP67 CARRYING CASE; shockproof, watertight with integrated soft-bag.

 

 

 MAIN TECHNICAL CHARACTERISTICS

 

·          Self-extinguishing ABS case with rubber-coated grips.

·          320x240 pixel, colour, graphic LCD screen (mm. 115.2 X 89.3)

·          3 voltage inputs: double scale 500/1000Vrms; accuracy ±0.2% ±0.05% f.s.

·          Maximum input voltage: 600V   CAT III.

·          3 current inputs for exchangeable flexible current transducers without external amplifiers (1000Arms), or CT clamps (1000A/1Vac or 3000A/1Vac); accuracy ±0.2% ±0.05%f.s. (± Current Transducer error).

·          1 auxiliary channel for clamps with 0-1Vac output; accuracy ±0.2% ±0.05%f.s. (± clamp error).

·          Transients (maximum Vpk 1400V) with duration over 500us.

·          Fundamental Frequency Range: from 40 to 80 Hz.

·          Harmonics ed Interharmonics up to the 31st order, max 80Hz.

·          Alphanumerical rubber-keyboard.

·          SCOPE function (Oscilloscope) for the visualization of waveforms and transients (single or recurrent events).

·          Vector-diagram visualization of voltage and current phase-sequence.

·          Graphical visualization of voltage and current harmonics.

·          Measurement display (full 3-phase analysis: V, A, VA, W, VAr, P.F., Hz, KWh, KVAr, Cog, KVAh, THD%, etc).

·          Power Quality Analysis following EN50160: frequency, voltage variations, voltage dips, phase-to-phase voltage swells, short and long interruptions, supply voltage unbalance, harmonics).

·          Event memorization (samples memorization, memorization of the processed data).

·          Removable 512 MByte Compact Flash (supports up to 2 GByte Compact Flash).

·          Mains or battery powered operation (2 compartments, 5 AA rechargeable  NiMH 2000A\h batteries each).

·          Languages: Italian, English, French, German, Spanish.

·          Compatible with Power Quality Standards IEC 61000-4-30; IEC 61000-2-8; EN 61000-4-15; EN 61000-4-7; EN 50160 ; EN 60868; EN 60868-0.

·          LINUX Operative System.

·          Software updatable/upgradable by the user via Internet.

 

 PQ STUDIO SOFTWARE

 

Jupiter Kit includes the dedicated PC/Windows software PQ Studio, which allows the analysis of measurement surveys stored on the Compact Flash.

PQ Studio  remotely reproduces all the analysis performed by Jupiter on the system, thus making it possible to reproduce waveforms, energy-data and events occurred during the survey.

 
 
 

Technical specifications


 

6          Technical specifications

 

 

6.1          Instrument features

 

 

6.1.1          GENERAL SPECIFICATIONS

 

DIMENSIONS 300x210x65mm

WEIGHT 1650g

MATERIAL OF THE CASE Self-extinguishing ABS (V0) with rubber coating

PROTECTION RATING IP20

KEYBOARD Alphanumerical made of tactile rubber

DISPLAY 5.7’’ 320x240 graphic colour LCD (115.2 X 86.4 mm)

                        brightness: 200 cd/m2

                        adjustable brightness/contrast.

MEASUREMENT REFRESH 1 second

OPERATING SYSTEM LINUX

REAL TIME CLOCK Month-day-year hour-minutes-seconds, can be set from the setup.

                        Maximum error: ± 3 seconds per day at 25°C.

                        Internal capacitor for data storage for the time required to replace the batteries.

                        Video alarm when Jupiter is turned on in the event of data loss due to low batteries.

LANGUAGES Italian, English, French, Spanish, German (settable from the setup).

CASE Rigid IP67 case + internal case made of Cordura, dimensions 480x385x190mm.

MEMORY Type I COMPACT FLASH up to 4 GB

                        (512 Mbytes supplied).

                        Storage of values sampled by the AD converter (all input channels) or processed data (e.g. EN50160 reports).

                        With the supplied 512 Mbytes it is possible to store up to 9350 records, corresponding to 3 hours of uninterrupted campaign with a mains frequency of 50 Hz.

                        Each record includes the sample values of 60 periods on 7 channels.

                        Ex.: with a 4 GB memory, if 1 record every 5 minutes is selected, 240 days of storage are achieved; if 1 hour is selected, 8.5 years are achieved.

 

6.1.2          INPUT CHANNELS

 

--- INPUT SIGNAL SAMPLING ---

NUMBER OF INPUT CHANNELS 7

AD CONVERTER RESOLUTION 14 bits

SAMPLING SPEED: 22.4 kSamples/second at 50 Hz

                        26.88 kSamples/second at 60 Hz

 

--- VOLTAGES ---

NUMBER OF CHANNELS 3 with independent inputs

INPUT IMPEDANCE 3 MOhm

MAX VRMS BETWEEN CHANNELS 1000 VACRMS

MAX MEASURABLE Vpeak 1400 V

NUMBER OF SCALES 2

VRMS THAT CAN BE MEASURED

AT TERMINALS 1.5 ÷ 500 VACRMS low scale

                        3 ÷ 1000 VACRMS high scale

ACCURACY (RMS VALUES) <±0.2% of the reading ± 0.05% of the full scale

ACCURACY (peak VALUES) <±5% of the reading ± 1% of the full scale

MAX VOLTAGE APPLICABLE

AT THE TERMINALS 600V CAT III, pollution rating 2

 

--- CURRENTS ---

NUMBER OF CHANNELS 4 (3 + 1 auxiliary)

INPUT IMPEDANCE 10kOhm

MAX VOLTAGE APPLICABLE

AT THE TERMINALS: 5V peak-to-peak

TYPE OF CLAMPS THAT

CAN BE USED: Flexible clamps without amplifier (except auxiliary channel)

                        Traditional clamps (output 0 ÷ 1VAC)

                        Flexible clamps with amplifier

                        (output 0 ÷ 1VAC)

CLAMP CONNECTOR Type Hypertronics D01PB306NT

MEASURABLE IRMS Flex clamps supplied 5 ÷ 1400ARMS

                        Other clamps (output 0 ÷ 1VAC)

                        0.3% ÷ 140% of the nominal current of the clamp used.

ACCURACY (RMS VALUES) <±0.2% of the reading ± 0.05% of the full scale + clamp error.

ACCURACY (peak VALUES) <±5% of the reading ± 1% of the full scale + clamp error

 

--- FREQUENCY ---      

LIMIT VALUES FOR A

COMPLETE ANALYSIS From 40 to 80 Hz (fundamental frequency)

ACCURACY ± 0.01 Hz

 

6.1.3          Environmental

 

ALTITUDE up to 3000m. The insulation category decreases above 3000m.

OPERATING TEMPERATURE from 0° to 60° C

STORAGE TEMPERATURE from -20 to 70°C

RELATIVE HUMIDITY 80% for temperatures up to 31°C with linear decrease up to 50% at the temperature of 40°C.

 

 

6.1.4          REFERENCE STANDARDS

 

SAFETY EN 61010-1 Safety for electrical equipment for measurement

EMC EN61326; EN61326/A1/A2/A3

                        Electromagnetic compatibility for electrical equipment for measurement.

MEASUREMENT EN 61004-30 Measurement methods.

                        EN 61002-8 Measurement of losses of voltage and interruptions.

                        EN 61004-7 Measurement of harmonics and interharmonics.

                        EN 50160 Power Quality.

 

 

 

6.2          accessory features

 

6.2.1          FLEXIBLE CLAMPS

 

OUTPUT VOLTAGE 39.1 µV/A at 50 Hz

INTERCHANGEABILITY ERROR <0.5%

LINEARITY <0.3%

ABSOLUTE ERROR 1%

DISPLACEMENT AT 50 Hz <0.5°

PROTECTION RATING IP65

SELF-EXTINGUISHING UL94-V0

ELECTRICAL SAFETY EN 61010-1 and EN 61010-2-32

                        CAT III 1000VRMS – double insulation

LENGTH OF CONNECTION CABLE 200 cm

IDENTIFICATION by purple, green and blue wire markers

 

 

6.2.2          VOLTAGE CONNECTION CABLES

 

COLOURS red, yellow, blue

                        (the black plug identifies the neutral)

LENGTH 200 cm

INSULATION CAT III 600V

 

6.2.3          POWER SUPPLY

 

INPUT VOLTAGE 100 ÷ 240 VAC

INPUT FREQUENCY 50-60Hz

OUTPUT VOLTAGE 12 VDC

POWER 40W

 

 

6.2.4          BATTERIES

                  

BATTERIES 10 rechargeable NiMh type AA 2300mAh batteries

BATTERY-OPERATION TIME about 2 hours with backlight ON

                        >3 hours with backlight OFF

BATTERY CHARGER Internal to the instrument

MAXIMUM BATTERY

RECHARGE DURATION about 20 hours, with instrument on

                        about 10 hours, with instrument off

 

 

NOTE 1

The charge duration and lifetime of the batteries are influenced by the number and depth of the charge/discharge cycles carried out and by environmental factors such as, for example, temperature.

 

NOTE 2

To increase the battery operating time of JUPITER, the screen backlight is switched off if no key is pressed for 3 minutes (press any key to switch it on again).

 

NOTE 3

The instrument turns off automatically if the batteries reach a voltage level below 5.9V, to prevent excessive battery discharge.

 

NOTE 4

If the instrument is not used for long periods (> 1 month), remove the batteries to preserve their charge/discharge capacity.

 

 

 

 
 
 

Measures


 
6.3          electrical parameters measured

 

VOLTAGE, CURRENT RMS values measured every 10/12 periods as per EN61000-4-30 standards, then aggregated to obtain a mean value per second.

                        NOTE: for measurement precision and range, see the “INPUT CHANNELS” specifications.

 

FREQUENCY Frequency value of the three input voltage channels.

                        Accuracy: ± 0.01 Hz

                  

PF Ratio between active and apparent power.

                        Accuracy: ± 0.01 of full scale.

 

ACTIVE POWER Calculated as an average of the products between instant V and I.

                        Accuracy: ±0.5% of the reading ± 0.1 of the full scale.

 

REACTIVE POWER Square root of apparent power and active power squares

                        Accuracy: ±0.5% of the reading ± 0.1 of the full scale

 

APPARENT POWER Calculated as product between the aggregate V and I on the second.

                        Accuracy: ±0.5% of the reading ± 0.1 of the full scale

 

% THD MENU MEASURE

 

% THD MENU HARMONICS

 

 

HARMONICS Harmonics from the 1 to the 31 order calculated by Fourier analysis carried out on 10/12 periods as per EN61000-4-7 standards.

                        Accuracy: ± input channel error ± n * 0.1%

 

INTERHARMONICS Interharmonic groups calculated by Fourier analysis carried out on 10/12 periods as per EN61000-4-7 standards.

                        Accuracy: ± input channel error ± n * 0.1%

 

COSø Cosine of the angle between the voltage and the current vector of the harmonic component referred to the same phase.

                        Angle accuracy U-I with traditional clamps 0-1V:

                        ± n * 0.2° + clamp error

                        Angle accuracy U-I with flexible, non-amplified clamps: ± 1° ± n * 0.2° + clamp error

 

TRANSIENTS Maximum instantaneous voltage/current value in a one second buffer.

                        Minimum measurable duration: 300µS at 50Hz, 260µS at 60Hz

                        NOTE: for measurement precision and range, see the “INPUT CHANNELS” specifications.

 

UNBALANCE: Percentage of reverse sequence component of the voltage signal compared to the direct sequence component as per EN61000-4-30 standards.

 

ACTIVE ENERGY Accuracy: ±0.5% of the reading ± 0.1% of the full scale

 

REACTIVE ENERGY Accuracy: ±0.5% of the reading ± 0.1% of the full scale

 

APPARENT ENERGY Accuracy: ±0.5% of the reading ± 0.1% of the full scale

                       

NOTE:  n  = harmonic order

                        N = number of samples

                        i  = instantaneous value

                        k =  analysis time

                        Ti = time interval (1 second)

 

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