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Omicron VBO3, User Manual

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Omicron VBO3 User Manual Download Page 18

To determine the voltage ratio:

1. Connect the CMC test set to 

VBO3

 (as shown in section 

Wiring

 on page 11).

2. Connect the load by connecting the 

VBO3

 secondary outputs to the test object.

3. Connect the multimeter as shown in the example below.

Connection cable

Test object

Flexible jumpers

Connection cable

1
2
3
N

1
2
3

N

Multimeter

VBO3

CMC 256plus

 

4. With the multimeter, measure the output voltages of 

VBO3

 for each phase.

5. Calculate the voltage ratio for each phase, and then calculate the average value of the voltage

ratios:

VBO3 User Manual

18

OMICRON

Summary of Contents for VBO3

Page 1: ...VBO3 User Manual ...

Page 2: ...the technical status at the time of writing and are subject to change without prior notice We have done our best to ensure that the information given in this manual is useful accurate up to date and reliable However OMICRON electronics does not assume responsibility for any inaccuracies which may be present The user is responsible for every application that makes use of an OMICRON product OMICRON ...

Page 3: ...eration procedures 8 2 4 Operator qualifications 8 3 Device overview 9 4 Circuit diagram 10 5 Wiring 11 5 1 Connecting VBO3 to a CMC 430 12 5 1 1 Max 300 V output voltage 12 5 1 2 Max 600 V output voltage 13 5 2 Connecting VBO3 to other CMCs 14 6 Configuring VBO3 in the control software 15 6 1 Configuration in Test Universe 15 6 2 Calculation of voltage ratio 17 7 Setup with OMICRON transport case...

Page 4: ...sed It shall be read and observed by all personnel operating VBO3 Reading the user manual of VBO3 alone does not release you from the duty of complying with all safety regulations relevant and applicable to working on systems in any power distribution network In addition to the user manual and the applicable safety regulations in the country and at the site of operation the usual technical procedu...

Page 5: ...as photovoltaic small hydroelectric power as well as combined heat and power plants Furthermore you can test industrial networks with voltage levels 300 V Disclaimer The advisory procedures and information contained within this user manual have been compiled as a guide to the safe and effective operation of VBO3 It has been prepared in conjunction with application engineers and the collective expe...

Page 6: ...te For customers in EU countries incl European Economic Area OMICRON devices are subject to the EU Waste Electrical and Electronic Equipment Directive WEEE directive As part of our legal obligations under this legislation OMICRON offers to take back the device and ensure that it is disposed of by authorized recycling agents For customers outside the European Economic Area Please contact the author...

Page 7: ...if the appropriate safety instructions are not observed NOTICE Equipment damage or loss of data possible 2 2 Rules for use VBO3 and its accessories must only be used when in a technically sound condition Its use must be in accordance with the safety regulations for the specific job site and application Always be aware of the dangers of high voltages Pay attention to the information provided in thi...

Page 8: ...amiliar with all manuals of the devices used in the test procedure Testing with VBO3 shall only be carried out by authorized and qualified personnel Before starting to work clearly establish the responsibilities of all personnel involved Personnel receiving training instruction direction or education on VBO3 shall remain under the constant supervision of an experienced operator while working with ...

Page 9: ...ge input triple 1 0 300 V without N Voltage input triple 2 0 300 V without N Handle detachable If required you can create the neutral phase for input triple 1 by short circuiting the phases V4 prim V5 prim and V6 prim Wiring on page 11 Device overview OMICRON 9 ...

Page 10: ...4 Circuit diagram Input max 300 V V1 prim V1 sec V2 sec V3 sec N sec V2 prim V3 prim V4 prim V5 prim V6 prim Output max 600 V VBO3 User Manual 10 OMICRON ...

Page 11: ...or death caused by electric shock The isolation of VBO3 is designed as a 600 V isolation Therefore only operate VBO3 with primary voltages up to max 300 V Otherwise output voltages higher than 600 V might occur due to the voltage ratio of about 1 2 16 Always use the connection cables with 4 mm safety banana plugs that are included in the delivery to connect VBO3 to a CMC test set If you need to us...

Page 12: ...0 V you need to create a star point To create a star point Connect the CMC 430 voltage outputs to one of the VBO3 voltage input triples using a connection cable with 4 mm safety banana plugs included in the delivery Use flexible jumpers included in the delivery to interconnect the other VBO3 voltage input triple and thus create a star point Connect the star point to the CMC 430 s neutral phase Fle...

Page 13: ...se with a CMC 430 test set when an output voltage of 0 600 V is required You can simply connect the voltage outputs of the CMC 430 to the VBO3 inputs using connection cables with 4 mm safety banana plugs included in the delivery 1 2 3 1 2 3 Connection cables Connection cable 1 2 3 N Test object VBO3 CMC 430 Wiring OMICRON 13 ...

Page 14: ...oltage outputs to one of the VBO3 voltage input triples using a connection cable with 4 mm safety banana plugs included in the delivery Use flexible jumpers included in the delivery to interconnect the other VBO3 voltage input triple and thus create a star point Connect the star point to the CMC s neutral phase Connection cable VBO3 CMC 256plus Test object Flexible jumpers Connection cable 1 2 3 N...

Page 15: ... to the Hardware Configuration 2 On the General tab select your CMC from the Test Set s list 3 Click the Details button 4 In the Output Configuration Details dialog select a suitable configuration for the voltage outputs CMC 256plus CMC 310 CMC 353 or CMC 356 with max 300 V output voltage Select a 3 x 300 V configuration Example Configuring VBO3 in the control software OMICRON 15 ...

Page 16: ...C 430 with max 600 V output voltage Select a 3 x 300 V configuration Example 5 Click the Connect VT button 6 To complete the VT configuration details you need to calculate the true voltage ratio Proceed with section Calculation of voltage ratio on page 17 VBO3 User Manual 16 OMICRON ...

Page 17: ... categories CATIII 1000V and CATIV 600V It is important that you always connect the load before measuring the output voltages see workflow below WARNING Avoid serious injury or death caused by electric shock Always measure the output voltages with a multimeter suitable for up to 1000 V working voltage because at the VBO3 outputs voltages higher than 600 V might occur due to the voltage ratio of ab...

Page 18: ...t object 3 Connect the multimeter as shown in the example below Connection cable Test object Flexible jumpers Connection cable 1 2 3 N 1 2 3 N Multimeter VBO3 CMC 256plus 4 With the multimeter measure the output voltages of VBO3 for each phase 5 Calculate the voltage ratio for each phase and then calculate the average value of the voltage ratios VBO3 User Manual 18 OMICRON ...

Page 19: ...n Test Universe go to the Output Configuration Details dialog page 15 click the Connect VT button and enter the average ratio in the Amplification field Configuring VBO3 in the control software OMICRON 19 ...

Page 20: ...the handle 1 Remove the two grey cover caps on both sides of the Aluminium handle 2 Remove the aluminium handle by loosening the screws 3 Bring the two levers into a 45 position and remove them 4 Remove the two fasteners on the left and on the right NOTICE Equipment damage possible Do not use the OMICRON transport case for transporting the VBO3 voltage transformer The OMICRON transport case does n...

Page 21: ...your test set voltage transformer and additionally required accessories on one single trolley Example NOTICE Equipment damage possible Do not use the OMICRON trolley and carry bags for shipping CMC test sets or VBO3 voltage transformers Do not drop the OMICRON trolley and carry bags when CMC test sets or VBO3 voltage transformers are stored inside The OMICRON trolley and carry bags do not offer pr...

Page 22: ...c Specification Temperature Operating Storage and transportation 25 C 50 C 13 F 122 F 40 C 70 C 40 F 158 F Maximum altitude Operating Storage 4 000 m 13 000 ft 15 000 m 49 000 ft Humidity 5 95 relative humidity no condensation Mechanical data Characteristic Specification Weight mass 6 3 kg 13 9 lb Dimensions without handle w x h x d 160 mm x 125 mm x 260 mm 6 30 x 4 92 x 10 24 Standards Safety Int...

Page 23: ...onally you can find the OMICRON Service Center or OMICRON Sales Partner closest to you at www omicronenergy com Customer Portal stay informed www omicronenergy com customer The Customer Portal on our website is an international knowledge exchange platform Download the latest software updates for all products and share your own experiences in our user forum Browse through the Knowledge Library and ...

Page 24: ...VBO3 User Manual 24 OMICRON ...

Page 25: ...ENU 1210 05 02 ...

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