Sonel S-36 VLF User Manual
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Sonel S-36 VLF User Manual

High voltage insulation tester
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  • Page 3 USER MANUAL HIGH VOLTAGE INSULATION TESTER S-36 VLF SONEL S.A. Wokulskiego 11 58-100 Świdnica Version 0.07 06.06.2019...
  • Page 4 S-36 VLF is a modern, easy in use and safe testing device. Please acquaint yourself with this manual in order to avoid measuring errors and prevent possible problems in operation of the tester. S-36 VLF – USER MANUAL...

  • Page 5: Table Of Contents

    5.2 Important transport directions ................. 27 6 Troubleshooting ..................... 27 7 Technical specifications ................28 8 Accessories ....................29 8.1 Standard accessories ..................... 29 8.2 Additional accessories.................... 29 9 Manufacturer ....................29 10 Laboratory services ..................30 S-36 VLF – USER MANUAL...

  • Page 6: Safety

    The device may be put back into operation only after the cause of the incident has been eliminated.  Electrotechnical instructions  The device and all accessory equipment must be connected in conformity with the appli- cable regulations. S-36 VLF – USER MANUAL...

  • Page 7: General Safety Regulations

    Instructions to radio interference  The S-36 VLF is a device of class A to EN 55011. Radio interference may occur when the „VLF“ test method is used. In this case, the operator of the device will have to carry out protective measures (see sec.

  • Page 8: Warnings

    Appears whenever it is necessary to draw your attention to certain technical require- ments to be observed when working with the unit. S-36 VLF – USER MANUAL...

  • Page 9: Overview And Functions

    Overview and functions Design of the set The Cable Test Set S-36 VLF consists of the operating unit and high-voltage unit. The high-voltage unit accommodates the following oil-insulated devices: high-voltage transformer, high-voltage switch, rectifier, measurement divider and discharge device. The bottom region of the unit contains an oil-to-air heat exchanger with forced circulation.

  • Page 10: Application

    Application The portable Cable Test Set S-36 VLF is mainly used for insulation testing of Medium Voltage Power Cable Systems. A sheath test can be performed with this device too. Fields of application include:  testing of newly fit cables prior to commisioning, ...
  • Page 11 22 (31) kV 31.5 kV 35.5 (50.5) kV 40 (56.5) kV 30.5 (43) kV 33 kV 37 (52) kV 41.5 (58.5) kV 31 (44.5) kV 34.5 kV 38.5 (54) kV 43.5 (61) kV 32.5 (46.5) kV S-36 VLF – USER MANUAL...

  • Page 12: Dc Testing

    800 µA / km PVC at 3 kV: max. 20 µA / km PE at 5 kV: * Practical values, not required in the standard. Polarity: Cable shield on negative potential, Station ground on positive potential S-36 VLF – USER MANUAL...

  • Page 13: Preparation For Use

    Set up the operating unit at a distance of approx. 3 m from the barrier. It should preferably be set up on a surface which is at operating height (0.8…1.0 m). S-36 VLF – USER MANUAL...

  • Page 14: Connecting The Test Equipment

    Before connecting the device, make sure that the oil level can be seen in the middle of the oil-level lens . If this is not the case, it is not permitted to carry out measurements. Fig. 3.1 S-36 VLF tester connections High-voltage connection socket * On rear side: oil-level lens...
  • Page 15 3x single-core system or a three-core cable with separate shield on each core Fig. 3.3 Connecting the test equipment for insulation testing of a three-core cable with only one common shield (e.g. PILC) S-36 VLF – USER MANUAL...

  • Page 16: Avoiding Radio Interference

    Avoiding radio interference The S-36 VLF is a device of class A to EN 55011. Radio interference may occur when the „VLF“ test method is used. In this case, the operator of the device will have to carry out the following protective...

  • Page 17: Operating The Device

    Operating the device Controls and displays The controls and displays needed to operate the S-36 VLF are on the front of the operation unit. Fig. 4.1 S-36 VLF interface Ammeter  indicates leakage current  measuring ranges: ± 100 µA / ± 1 mA / ± 10 mA Voltmeter ...

  • Page 18: Menu Control Via Alphanumerical Display

    By pressing the button [Cancel], you can cancel the selection of a function or of a parameter. Each time you press this button will bring you one further level back in the menu. S-36 VLF – USER MANUAL...

  • Page 19: Operating Procedure

    TEST VOLTAGE can be chosen between 5 to 36 kV in 0.5 kV-steps. ► 36.0 kV rms ◄ [Enter] Set test time. TEST TIME: The maximum test time is 300 min. ► 60 min ◄ [Enter] S-36 VLF – USER MANUAL...
  • Page 20 Operate button [HV On]. The high-voltage is connected, the discharge switch opens. The red il- luminated pushbutton [HV Off] illuminates and signals „High voltage is on“. At the same time, the green illuminated pushbutton extinguishes. S-36 VLF – USER MANUAL...
  • Page 21 If the test object is damaged or defective, the insu- lation will be punctured during the test, the break- down will be automatically detected and the time at after 011:13 min which the breakdown occurred determined. 36.0 kV See sec. 4.3.3 Terminating the test. S-36 VLF – USER MANUAL...

  • Page 22: Testing With Direct Voltage (Dc)

    6) L1 L3 » L2 E 7) L2 L3 » L1 E 8) *S L1 » E 9) *S L2 » E 10) *S L3 » E 11) *S L1 L2 L3 » E [Enter] S-36 VLF – USER MANUAL...
  • Page 23 (10 mA), the overcurrent release trips. Tripping of the overcurrent release indicates that the test ob- after 11:13 min ject is defective. 47.8 kV When the nominal test voltage of the device is ex- ceeded (at 52.5 kV), the overvoltage release trips. S-36 VLF – USER MANUAL...

  • Page 24: Terminating The Test

    WARNING The high-voltage plug must not be plugged in or pulled in the live condition. In case of an emergency, a second operator must switch off the high voltage by actuating the EMERGENCY STOP button. S-36 VLF – USER MANUAL...

  • Page 25: Safety Measures

    If the device is equipped with the „Data Recording“ feature. The non-volatile built in memory of S-36 VLF is able to store about 100 records at 1 h. Recording of measurement data is already described in sections 4.3.1 and 4.3.2.
  • Page 26 Test. This allows easy 3) delete Data categorization of the data files by name already. [Enter] Each of the selected range can be adjusted with <Select>. 14:37 31.05.2019 With [Enter], the marker moves on next position. S-36 VLF – USER MANUAL...
  • Page 27 We as manufacturers have successfully tested a wider range of USB Flash Drives market at the time. However, due to the enormous diversity in the market does not ensure total compatibility with all brands. S-36 VLF – USER MANUAL...

  • Page 28: Maintenance And Repair

    Any further use of the device is strictly forbidden! If the S-36 VLF is defective, you have to send the complete device, that is, the high-voltage unit, operating unit and also the pertaining cables, to have it repaired.

  • Page 29: Important Transport Directions

    Important transport directions The S-36 VLF should always be handled with great care during transport. Greater mechanical loads such as shocks or dropping to the ground must be strictly avoided! WARNING! The high-voltage device may be transported and stored only in the vertical position.

  • Page 30: Technical Specifications

    (i.e. C = 10 µF at U = 50 kV) Max. discharge capacity: 12500 J according to relation -20°C … +45°C Operating temperature: -25°C … +55°C Storage temperature: Weight Operating device 17 kg High-voltage device 48 kg S-36 VLF – USER MANUAL...

  • Page 31: Accessories

    The manufacturer of the device and provider of guarantee and post-guarantee service: SONEL S.A. Wokulskiego 11 58-100 Świdnica Poland tel. +48 74 858 38 60 fax +48 74 858 38 09 E-mail: export@sonel.pl Web page: www.sonel.pl NOTE! Service repairs must be performed only by the manufacturer. S-36 VLF – USER MANUAL...

  • Page 32: 10 Laboratory Services

    National Metrological Institute. According to ILAC-G24 „Guidelines for determination of calibration intervals of measuring instru- ments”, SONEL S.A. recommends periodical metrological inspection of the instruments it manufac- tures no less frequently than once every 12 months.
  • Page 33 NOTES S-36 VLF – USER MANUAL...
  • Page 34 NOTES S-36 VLF – USER MANUAL...

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