Automatic Capacitance _ Tan Delta Test Sets

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L     Range extension transformer to extend the Capacitance range upto 2.6 µF
L     Compensating reactors to boost the power supply rating which enables measuring a                                                   Automatic Capacitance &
      Capacitance of upto 1.1 µF at 10kV.
L     10 kV Oil Cell                                                                                                                     Tan Delta Test Sets
L     Calibrator for Capacitance and Tan Delta.

                                                                                                                                                                        MODEL ACTS - 4K                                              MODEL ACTS - 12K

                                                                                                                                         Eltel Automatic Capacitance & Tan Delta test sets Model ACTS-12K / ACTS-4K are instruments designed to conduct
    RANGE EXTENSIONTRANSFORMER                           COMPENSATING REACTOR                        10 KV OIL CELL
                                                                                                                                         power factor tests on electrical insulation. The test sets are capable of automatically measuring the insulation power
ACTS - 12K BRIDGE FEATURES                                                                                                               factor of multi-terminal equipment at voltages ranging from less than 1kV upto 12kV. (upto 4kV on ACTS - 4K). Being
                                                                                                                                         equipped with two measuring leads, the test sets can measure all the quantities associated with multi-terminal electrical
Operation with External Supply and Reference Capacitor.
                                                                                                                                         power equipment.
The bridge portion of the ACTS - 12K test set can be used independently from its HV power supply source, without any
                                                                                                                                         In addition to measuring the capacitance and power factor of insulation, the test sets can measure the excitation
modifications to the bridge internal circuitry. The bridge alone can be used with an external HV power supply and external
                                                                                                                                         current of transformers and other equipments.
HV reference capacitor to make C & DF measurements in the UST configuration. If the external power source is properly
shielded and guarded, the bridge can also be used in the GST configuration. The operation with external supply and                       FEATURES
capacitor allows for changing the operating voltage and capacitance range of the instrument. Thus when :                                 L Automatically measures Capacitance, Dielectric Loss, Dissipation Factor/Power Factor,
                                                                                                                                           Excitation Current and Inductance of electrical insulation
L       Using a 100 pF capacitor, the range becomes 0.12 µF and the operating voltage increases to 25 kV.
                                                                                                                                         L Test Voltage upto 12kV (4kV on ACTS - 4K)
L       Using a 50 pF capacitor, the range becomes 0.06 µF and the operating voltage increases to 50 kV.                                 L Digital read out of Capacitance, Dissipation Factor, Power Factor, Power Loss and Operating Frequency
With minor internal modifications the bridge can be used successfully at voltages upto 200 kV with reference capacitors of               L Automatic interference suppression circuitry for testing under high voltage switchyard conditions
50 or 100 pF of 200 kV rating.                                                                                                           L Measures using any one or all seven standard configurations UST (3positions), GST (1 position), GSTg (3positions)
                                                                                                                                         L Safety features - open ground, zero start interlock, short circuit protection, over voltage protection
                                                                                                                                         L Opto isolated printer port
                                                                                                                                         L Opto isolated computer interface
                                                                                                                                         L Data storage facility
                                                                                                                                         L Cable connection details to the specimen provided.
     OTHER PRODUCTS                                                                                                                      PRINCIPLE
     6 Manual & Automatic
                                                                                                                                         The Eltel Automatic Capacitance and Tan Delta Test Sets operate on the transformer ratio arm bridge principle. The
       Transformer Ratio Meters.                             ELTEL INDUSTRIES                                                            current from the device under test is compared to the current of an internal reference capacitor. The residual of this
     6 Digital Micro Ohm Meters.                             311 EMBASSY CENTRE, CRESCENT ROAD,
       with built in 100Amp source.                          BANGALORE-560 001, INDIA                                                    comparison is measured and resolved into in-phase (watt loss) and quadrature current components. The test voltage
     6 Manual & Automatic Transformer Winding                TEL. : 2255467, 2205686, 2284253, 2284298 FAX : 91-80-2252733               and total specimen current are also measured. From these measured quantities, Power Factor and Capacitance are
       Resistance &                                          E.mail:                                                      calculated and displayed along with the test voltage, current and power loss.
       On Load Tap Changer Test sets.                        home page:http//
     6 Automatic CT/VT Test sets & Systems
                                                             WORKS : 80/1, NAGAVARAPALYA, OFF OLD MADRAS ROAD                            APPLICATION
     6 Semi Automatic HV Capacitance &                       BANGALORE-560 093. INDIA.
       Tan Delta Test sets,                                  TEL : 5245234, 5240008, 5243104 FAX : 91-80-5241087                         Model ACTS - 12K / ACTS - 4K Capacitance and Tan Delta Test Sets can be used for shop or field testing of electrical
     6 Manual & Automatic Tan Delta & Resistivity            CHENNAI  4339075 6 KOLKATA  4765536 6 MUMBAI  5225216                   insulation at voltages upto 12kV, (4kV on ACTS - 4K) where the need for portability and simple operation is required.
       Test sets for Transformer Oil, Solid Test Cell.       NEW DELHI  6831252 6 VADODARA  657109
     6 Portable LV Capacitance and
                                                                                                                                         Examples of equipment that may be tested include: generators, power, distribution, instrument and generator transformers,
                                                             (SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE)
       Tan Delta Test sets.                                                                                                              oil and air blast circuit breakers, cables, pot heads, bushings, CTs, CVTs, motor coils, insulating oils, etc.,
4                                                                                                                SCROLL 05/10/2001   1
    INTERFERENCE SUPPRESSION                                                                                                   POWER OUTPUT
                                                                                                                                                    ACTS - 12K                                               ACTS - 4K
The test sets features fully automatic interference measuring and suppression circuitry. When activated by the operator, the       A) 0 - 12 kV Tap     0 - 12kV     @ 100mA continuous                      0-4kV @ 100mA continuous
circuitry automatically measures and suppresses the interference, which enables accurate measurements in HV Switchyards                                 0 - 12kV     @ 200mA intermittent
where interference levels are normally high.                                                                                       B) 0 - 2.4kV Tap     0 - 2.4kV    @ 500mA continuous                      0-4kV @ 200mA intermittent
    THE TEST SETS PROVIDE INFORMATION ON                                                                                                                0 - 2.4kV    @ 1000mA intermittent
L       Capacitance                                                                                                            VOLTAGE                                            POWER SUPPLY RATING / MAX. CAPACITANCE MEASURING RANGES:
L       Power Factor / Dissipation Factor                                                                                      Range                    : 0-12000 V                  EQUIPMENT                                   TEST      MAX
L       Power                                                                                                                                             0-4000V (ACTS-4K)                                                      VOLTAGE   CAPACITANCE
L       Inductance                                                                                                             Accuracy                 : ± 1% of reading,        Model ACTS - 12K                                10kV      0.06 µF
L       Excitation Current                                                                                                                                RMS responding                                                          2.4kV     0.26 µF
L       Frequency                                                                                                              Resolution               : 1 volt                  Model ACTS - 12K with                           10kV      0.06 µF
L       Voltage                                                                                                                                                                   Range Extension Transformer Model CTS-RE        2.4kV     1.2 µF
L       Current                                                                                                                CURRENT
                                                                                                                                                                                  Model ACTS - 12K with                           10kV      0.36 µF
L       Interference Current                                                                                                   Range                    : 0 to 2000 mA            Range Extension Transformer
L       Equivalent 2.5 kV // 10 kV readings                                                                                    Accuracy                 : 1%                      CTS-RE with one each of Compensating Reactor
L       Cable connection details to the specimen are displayed on LCD panel                                                    Highest Resolution       : 1 micro ampere          Model CTS-100 (0.1 µF) and CTS-50 (0.2 µF)

                                                                                                                               FREQUENCY                                          Model ACTS-12K with                             10kV      1.1µF
    SPECIFICATIONS                                                                                                                                                                Range Extension Transformer Model CTS-RE,
                                                                                                                               Operating Range          : 45 to 65 Hz             with five Compensating Reactors
CAPACITANCE                                                                                                                    Accuracy                 : ± 0.02 Hz               Model CTS-50 (0.2 µF) and one
                                                                                                                                                                                  Compensating Reactor Model CTS-100 (0.1 µF)
Range                      :   0 to 0.26 µF                                                                                    Resolution               : 0.01 Hz
Accuracy                   :   ± 0.2% of reading ± 1 pF (UST).                                                                 POWER INPUT
                               ± 0.2% of reading ± 10 pF (GST).                                                                              ACTS - 12K                                                   ACTS - 4K
Resolution                 :   4 digits
                                                                                                                                230V ±10%, 50 Hz, 1.2 kVA (2.4 kVA intermittent) OR           230V ±10%, 50Hz, 400 VA (800VA Intermittent) OR
Range Extension            :   External range extender to increase capacitance range upto 2.6 µF
                                                                                                                                110V ±10%, 60Hz, 1.2 kVA (2.4 kVA intermittent)               110V ±10%, 60Hz, 400 VA (800VA Intermittent)
DISSIPATION FACTOR (TAN DELTA)                                                                                                 DATA STORAGE FACILITY : Can store upto a maximum of 130 readings & the data is retained in memory even when
DF Range                   :   0 to ± infinity                                                                                 the instrument is switched OFF.
Accuracy                   :   ± 1% of reading ± 0.05%                                                                         INDICATION : 240 x 128 dot matrix LCD panel with back light.
Readout                    :   5 digits                                                                                        INTERFACE : RS232C serial interface to PC for full control. Centronix parallel port for printer interface.
Highest Resolution         :   0.00001
                               DF display is in absolute value only                                                            KEYBOARD : 20 keys, membrane keyboard on front panel.
                                                                                                                               MECHANICAL DATA
                                                                                                                                                        ACTS - 12K                                         ACTS - 4K
Range                      :   0 to ± 2 kW                                                                                            Bridge                                               Bridge & Power supply in one unit
Accuracy                   :   ± 1% of reading                                  STANDARD CAPACITOR                                    515 x 510 x 178 mm (L x B x H)                       515 x 510 x 310 mm (L x B x H)
Readout                    :   4 digits                                     CAPACITANCE    200pF Air Capacitor                        Weight : Approx 15 kgs                               Weight : Approx 40 kgs.
Highest Resolution         :   1 micro watt
                                                                                           with guard                                 Power Supply
INTERFERENCE CURRENT                                                        ACCURACY :                                                515 X 510 X 310 mm (L x B x H)
                                                                            CAPACITANCE    ±0.5%                                      Weight : Approx 55 kgs
Range                      :   0 to 100 mA
                                                                            TAN DELTA      ±2 x 10−4                                                   Cable Box: 600 x 400 x 340 mm (LxBxH) ; Weight : Approx. 20 Kgs.
Accuracy                   :   1%
                                                                                                                               Temperature Range           : −10 to 50 deg C
Best Resolution            :   1 micro ampere
                                                                                                                               Humidity                    : Ambient to 90%, RH
Provides printout for equivalent values at 2.5 or 10 kV readout as selected by operator
                                                                                                                               L   High voltage cable (12kV / 4kV) of 20m length double screened and equipped with clip and hook
POWER FACTOR                                                                                                                   L   Two low voltage leads of screened cable of 20m length equipped with clips and hooks.
Range                      :   0 to 100% (Positive or Negative) PF display is in absolute value only.                          L   Two grounding cables of 20 & 10m length equipped with clips
                               It will display (0 to 0.99999) with a 5 digits resolution                                       L   Foot switch used for safety of operator while handling high voltage; equipped with 5m length cable.
Accuracy                   :   ± 1% of reading ± 0.05%                                                                         L   One set of interconnecting cables.
Highest Resoultion         :   0.00001                                                                                         L   Mains connecting cable of 10 m length
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