Ormazabal CTC General Instructions Manual Download Page 1 | Manualshive

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CTC

UNDER POLE COMPACT

TRANSFORMER SUBSTATION

General Instructions

LIB

11.07.2007

Secondary Distribution

Switchgear

Primary Distribution

Switchgear

Protection and

Automation

Distribution

Transformers

IG-086-GB

version 02

Transformer

Substations

1
2
3
...
»

Summary of Contents for CTC

Page 1: ...TRANSFORMER SUBSTATION General Instructions LIB 11 07 2007 Secondary Distribution Switchgear Primary Distribution Switchgear Protection and Automation Distribution Transformers IG 086 GB version 02 T...

Page 2: ...ccording to current legislation This must be carefully taken into account because the safe and proper operation of this equipment depends not only on its design but on circumstances which are generall...

Page 3: ...3 2 PLANNING 9 3 3 HANDLING 9 3 4 DIMENSIONS OF THE EXCAVATION 10 3 5 LEVELLING PROCESS 11 3 6 PROTECTION AND EARTHING CIRCUIT 12 3 6 1 Protection Earth Connection 12 3 6 2 Service Earth Connection 12...

Page 4: ...3 Low Voltage Board LVB 1 OVERVIEW AND MAIN CHARACTERISTICS Ormazabal s CTC is an Under Pole Compact Transformer Substation designed to be installed on the surface with outdoor operation complying wit...

Page 5: ...nsformer access doors for air intake exhaust allowing optimal ventilation They are provided with a mosquito netting of 6 mm maximum mesh Two cable access areas one for MV cable incoming with dimension...

Page 6: ...ons and weights of the CTC Transformer Substation are as follows Total 2080 Height mm View 1600 Length mm 1330 Depth mm 2170 Without Transformer 2000 Enclosure With Transformer 4600 Weight kg Cover 50...

Page 7: ...the truck s platform to the CTC TS base must be at least 80 mm The enclosures are loaded in such way that the door on the short side faces the truck s cab Once the CTC TS has been placed on the palle...

Page 8: ...rotected with elastic plastic tape wound around several times in order to avoid water filtering in the enclosure during transport Two boards of 2000 x 150 x 20 mm will be used to rest the CTC Transfor...

Page 9: ...he CTC TS is provided with DEHA hooks that used with a lifting beam slings and adequate hooks ensure that the lifting operation is as balanced as possible For the transversal balancing a lifting beam...

Page 10: ...s must not be exceeded The maximum burying height is 480 mm measured from the base of the Transformer Substation These levels will be adapted to the earth network solution taken for each case accordin...

Page 11: ...velled sand to avoid an uneven base The installation operation involves positioning the CTC TS in the excavation made for this purpose and connecting the LV and MV cables as well as the external earth...

Page 12: ...ed to the protection earthing circuit metallic parts which is finally connected to the protection disconnection box 3 6 2 Service Earth Connection The service earthing circuit zero sequence earth conn...

Page 13: ...er of the facilities shall implement at least one of the additional safety measures provided in this instruction in order to reduce the risks to persons and assets The recommended tightening torque fo...

Page 14: ...ver with four chains of the same length 3 Place the cover on the floor on two boards 4 Put the transformer into the CTC TS with the tow truck 5 Place the cover on the CTC TS and connect the earth cabl...

Page 15: ...he steps below 1 Open the door of the CBT TS compartment and put it in its fixed position 2 Install signals on the working area 3 Activate the locking of the door grille of the transformer compartment...

Page 16: ...losure under the access door to the LVB To open a hole just hit it with a hammer 3 8 1 Connection of the MV Cables to the Transformer If the transformer is fitted with 24 kV plug in bushings it is rec...

Page 17: ...per DIN 46 235 The connection is made directly on the busbar with M10 screws 4 3 8 3 Connection of the Cables to the LVB Outgoing The LV cable outgoings are made with the LVB s BTVC bases screws 4 To...

Page 18: ...oor on two boards 8 Open the LVB compartment door see figure 3 8 9 Earth the circuit 10 Activate the locking of the door grille of the transformer compartment 11 Open the transformer compartment doors...

Page 19: ...lly it might be advisable to check and grease the locks There should be no obstacles signs plants etc on the ventilation grilles of the prefabricated enclosure 5 ADDITIONAL INFORMATION 5 1 ACCESSORIES...

Page 20: ...Hoja 20 de 20 TECHNICAL COMMERCIAL DEPARTMENT www ormazabal com...

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