ABB TPU Series Parts list manual
—
MEDIUM VOLTAGE PRODUCTS
Current and Voltage
Instrument Transformers
Instruction for Installation, use and
maintenance
2CURRENT AND VOLTAGE INSTRUMENT TRANSFORMERS
INSTRUCTIONS FOR INSTALLATION, USE AND MAINTENANCE
—
Scope of Contents
3 1. Service conditions
3 2. Technical details
4 3. Instructions for installation
4 General informations
4 Safety instructions
5 Mounting
5 Primary connection
6 Secondary connection
7 Capacitive voltage indicator
(divider)
7 Fuses
7 4. Instructions for use
8 Routine test report
8 5. Instructions for maintenance
8 6. Transport & Storage
8 7. Disposal
8 8. Handling with the
transformer
8 9. Normative references
9 Appendix 1.
Example of secondary terminal
marking
13 Appendix 2.
Wiring diagrams
16 Appendix 3.
Damping ferroresonance for VT;
VT Guard
17 Appendix 4.
Handling with transformer
19 Appendix 5.
Removing of cable grommet on
a secondary terminal
20 Appendix 6.
Dimensional drawings
3
—
Instructions for installation, use and
maintenance for current and voltage
transformers
1. Service conditions
The transformers should be mounted in dry indoor
conditions where the ambient air is not signifi-
cantly polluted by dust, smoke, corrosive gases,
vapours or salt.
The transformers are designed for standard ambi-
ent temperature between –5°C and +40°C. The al-
titude for use should be lower than 1000 m above
the sea level. The transformers may be used also in
higher or lower ambient temperatures and higher
altitudes when agreed between the manufacturer
and purchaser.
2. Technical details
The technical details for each individual trans-
former are mentioned on the rating plate fastened
on the transformer. Values mentioned on the rat-
ing plate must not be exceeded. Markings used on
the rating plate are as follows:
Where:
serial number + barcode
transformer type code
order number
rated frequency
first tap
second tap
accuracy classes
rated output
ext extension
Icth rated thermal current
Ith rated short time thermal current
ambient temperature
Idyn rated dynamic current
Etemperature class
year of production
—
01
—
01 Example of current
transformer label
This installation, use and maintenance
guide is valid for current and voltage
transformers operating in indoor
conditions.
These instructions are valid for
Current transformer type:
Voltage transformers types:
4CURRENT AND VOLTAGE INSTRUMENT TRANSFORMERS
INSTRUCTIONS FOR INSTALLATION, USE AND MAINTENANCE
Where:
serial number + barcode
transformer type code
√
√
terminal marking for measuring
secondary winding
terminal marking for residual
accuracy classes
rated output
rated output
rated frequency
ambient temperature
referred standard
Etemperature class
year of production
3. Instructions for installation
General informations
Instrument transformer is an electrical equipment
and the electrical installation shall be done by
skilled person only. National legislation can set
down the minimum age and the criteria for com-
petence of skilled persons working on, with,
or near an electrical installation.
Where is not the national legislation requirements
for competence, the criteria shall be used at least
according to EN 50110-1.
Safety instructions
1. Always consider transformer as a part of the
cir cuit to which it is connected, and do not
touch the leads and terminals or other parts
of the transformer unless they are known to
be grounded.
2. Always ground the metallic bases of instru-
ment transformer.
3. Always ground one secondary terminal of the
transformer, except if the windings of voltage
transformer are connected to open delta. Re-
sidual voltage windings connected to open
delta must have dn terminal earthed only on
one of three transformers (earthing screws at
dn terminals of others two transformers have
to be removed). When the secondary of trans-
former is interconnected, there should be only
one grounded point to prevent accidental par-
alleling with system grounding wire. In case of
disconnection from the ground, the ground-
ing screw has to be removed from the second-
ary terminal. Connection between secondary
terminal and base plate (ground) is shown on
the picture “Crossection of double line termi-
nal box“
4. Always short-circuit the secondary of the cur-
rent transformer, which is not currently in use
to prevent secondary voltages which may be
hazardous to personnel or damaging to the
transformer’s secondary. The secondary like
this must be additionally grounded.
5. Never short-circuit the secondary terminal of
a voltage transformer even this is not in use. A
secondary short-circuit will cause the unit to
overheat and fail in a very short period of
time.
6. Protection of single pole insulated voltage
transformers against feroresonance phenom-
ena is stated in Appendix 3. – Damping of the
ferroresonance in Voltage transformers type
range TJx.
7. In case of the current transformer with volt-
age indication (coupling electrode included) is
secondary terminal box equiped with PE ter-
minal, which is connected with earthing screw
to the base plate, which must be generally
earthed. Connection between secondary ter-
minal and base plate is shown on the picture
“Crossection of single line terminal box“
—
transformer label
—
02
5
Attention: Terminal PE must be always earthed,
this is hold generally, even if the base plate is re-
moved. In case of disassembling the base plate,
producer is not warranting the earthing. Cou-
pling electrode terminals Ck and PE are always
delivered interconnected. Remove this connec-
tion before installation of indication system.
in use.
8. All current and voltage transformers are, for
safety reasons, shipped with earthed second-
ary windings. Earthing of the terminals are
shown in Appendix 1. Before putting into op-
eration always check whether it corresponds
to the earthing scheme involved in the appli-
cation and remove earthing screws accord-
ingly (simple examples of network connection
are in Appendix 2 ).
Attention: Manufacturer is not responsible for
damage, loss and injuries caused by wrong con-
nection of transformers.
Mounting
Following informations are general and some de-
tails can differentiate according to type and vari-
ants of transformers. It is necessary to combine it
with other technical and marketing specifications
like catalogues, dimensional drawings and rating
plate for specific transformer type.
The mounting position of the indoor transformer
can be freely chosen. The transformer is fixed us-
ing the mounting base with four screws M10 and
washers. Fastening must be done on a smooth
surface. There is a M8 screw for earthing the trans-
former on the base plate.
Primary connection
Primary terminals of the current transformer are
made of copper and they are silver or tin plated.
There are M12 (CT) and M10 (VT) screws used for
fastening of primary conductor to the terminal.
For primary reconnectable transformers the ratio
can be reconnected by changing position of the
links fixed by M8 screws without removing already
fitted primary conductors.
Screw Max. torque [Nm] Min. torque [Nm]
transformers
Maximum allowed torque for screw connection of
voltage transformer is 20 Nm.
Maximum allowed cantilever strength is:
Voltage transformers 2000 N.
Current transformers 5000 N.
In case of Bus CT, there must be always con-
nected CT shielding to the primary bar. Connec-
tion must be done on one side of the CT.
Shielding connection example of KOKS 12, 17.5 de-
scribed in picture 5 and for KOKS 24 in picture 6.
—
03 Low ratio
—
—
shielding connection
—
03
—
04
—
05
2
Primary bar
6CURRENT AND VOLTAGE INSTRUMENT TRANSFORMERS
INSTRUCTIONS FOR INSTALLATION, USE AND MAINTENANCE
Secondary connections
The terminals, screws, nuts and washers are made
of stainless steel. Secondary grounding screws
and secondary terminal fastening screws are made
of nickel-plated brass.
The secondary terminal cover box used for most
types is made from the plastic and provided with
three detachable threaded inserts. (Instruction
how to provide removing of cable grommet on a
secondary terminal cover – please see appendix 5).
The terminals are provided with M5 screws for sec-
ondary wiring connection and with through going
holes for direct earthing of the secondary circuit
by M5 screws. The terminal cover is sealable.
Degrees of IP protection
Indoor transformers: IP40 or IP30 for transformers
TTR, BB, KOKS
Max. Tightening
torque
(Nm)
Min. Tightening torque
(Nm)
screw connections
Max. diameter of the cable or wire connected to
one terminal of the secondary is: 2x Ø 2.5 mm.
For terminal marking see Appendix 1.
—
—
09
—
08
Connection screws
Screw for terminal earthing
Base plate
—
06 KOKS 24 shielding
connection
—
transformer terminal
box
—
transformer terminal
box
—
09 Cross section of
double line secondary
terminal box
—
06
2 possibilities of HV connection of CT
Aluminium cover
with cutted hole
for busbar
Spring contact
(should be used
on both sides)
Primary busbar Primary busbar
HV belt
(should be used
on back side)
(have to be used
on all 8 inserts
with M8x16
screws)
7
Capacitive voltage indicator (divider)
The transformer can be supplied with the capaci-
tive voltage indicator on the request. Integrated
voltage detection system is corresponding to Sep-
arable Voltage Detection System according to IEC
61234-5. It is integrated coupling electrode con-
nected to secondary terminal (terminal Ck). Elec-
trode acts as a capacitor between electrode and
primary winding (C1), or electrode and ground
(C2). If the electrode is connected to indication de-
vice (not part of delivery – it is part of switchgear)
it works as indication of voltage presence – more
in IEC 61234-5.
Ub (kV)
Tab. 3. CE capacity according to nominal voltage
Note: Recommended min. capacities for nominal
voltage.
The fuse can be a part of a supply of voltage trans-
formers with fuse. We can supply following fuses:
Rated
current (A)
Rated voltage
(kV)
(mm)
Striker pin
Warning: All VT’s type TJP 4.0; TJPH 4.0; TJP 5.0;
TJPH 5.0; TJP 6.0, have fuse contact equipped
for transportation. Before installation must be
External fuse holder
external fuse holder and It can be installed in any
4. Instructions for use
Current and Voltage instrument transformers are
used:
•
• to insulate primary and secondary circuit from
each other to protect the secondary equipment
age appearing during the operation (short cir
—
fixation
—
—
10
—
11
8CURRENT AND VOLTAGE INSTRUMENT TRANSFORMERS
INSTRUCTIONS FOR INSTALLATION, USE AND MAINTENANCE
Routine test report
ered:
• routine test report;
• two rating plates (one plastered on the trans
The following information can be included on the
•
•
There are additional extra paid reports which can
be supplied on request:
• accuracy test report;
•
•
•
5. Instructions for maintenance
Visible surface pollution shall be cleaned off the
6. Transport and storage
Temperature for transport and storage the indoor
transportation and storage the transformers
The transformers are shipped in wooden boxes or
7. Disposal
Materials used in instrument transformers are
Disposal of instrument transformers is controlled
8. Handling with the transformers
9. Normative references
eral requirement
tional requirements for current
transformers
transformers
ISO 12100 Safety of machinery — Basic
design
tions
tested and produced according to international
or national standards required by customers and
If it is agreed between customer and producer it
9
Appendix 1
Examples of secondary terminal marking for cast terminal box
- Current transformers according to IEC
Ck
s1 s2
s1 s2 PE
Ck
s1 s2 s3
s1 s2 s3 PE
Ck
s1 s2 s3 s4
s1 s2 s3 s4 PE
Ck
s1 s2 s3 s4 s5
s1 s2 s3 s4 s5 PE
s6 Ck
s1 s2 s3 s4 s5 s6
s1 s2 s3 s4 s5 PE
Ck
1s1 1s2 2s1 2s2
1s1 1s2 2s1 2s2 PE
1s2 1s3 2s3 Ck
1s1 1s2 1s3 2s1 2s2 2s3
1s1 2s1 2s2 PE
1s2 1s3 2s2 2s3
1s2 1s3 2s2 2s3 Ck
1s1 1s4 2s1 2s4
1s1 1s4 2s1 2s4 PE
1s4 1s5 2s4 2s5
1s1 1s2 1s3 2s1 2s2 2s3
1s2 2s2 3s2 Ck
1s1 1s2 2s1 2s2 3s1 3s2
1s1 2s1 3s1 PE
1s2 1s3 2s3 3s2 3s3
1s2 1s3 2s3 3s2 3s3 Ck
1s1 2s1 2s2 3s1
1s1 2s1 2s2 3s1 PE
1s2 1s3 2s2 2s3 3s2 3s3
1s2 1s3 2s2 2s3 3s2 3s3 Ck
1s1 1s4 2s1 2s4 3s1 3s4
1s1 1s4 2s1 2s4 3s1 3s4 PE
1s3 1s4 1s5 2s4 2s5 3s4 3s5
1s1 1s2 2s1 2s2 2s3 3s1 3s2 3s3
1s2 2s2 3s2 4s2
1s2 2s2 3s2 4s2 Ck
1s1 2s1 3s1 4s1
1s1 2s1 3s1 4s1 PE
1s2 1s3 2s3 3s2 3s3 4s3
1s2 1s3 2s3 3s2 3s3 4s3 Ck
1s1 2s1 2s2 3s1 4s1 4s2
1s1 2s1 2s2 3s1 4s1 4s2 PE
1s2 1s3 2s2 2s3 3s2 3s3 4s2 4s3
1s1 1s4 2s1 2s4 3s1 3s4 4s1 4s4
1s2 2s2 3s2 4s2 5s2
1s1 2s1 3s1 4s1 5s1
1s2 1s3 2s3 3s2 3s3 4s3 5s2 5s3
Ck
1s1 2s1 2s2 3s1 4s1 4s2 5s1
PE
1s2 2s2 3s2 4s2 5s2 6s2
1s1 2s1 3s1 4s1 5s1 6s1
s1 s1 s2 s2
2nd line of terminal
1st line of terminal
No tap
1 tap
No tap
2 tap
3 tap
No tap
1 tap
2 tap
Dummy
with CD
6 cores
special
No tap
1 tap
2 tap
4 tap
3 tap
1 tap
2 tap
3 tap
No tap
No tap
1 tap
Three cores
Three cores with CD
4 cores
4 cores with CD
5 cores
One core
One core with CD
Two cores
Two cores with CD
Variants of connections
- double row terminal
- Special CT according
Ck
s1 s2
s1 s2 PE
Ck
s1 s2 s3
s1 s2 s3 PE
Ck
s1 s2 s3 s4
s1 s2 s3 s4 PE
Ck
s1 s2 s3 s4 s5
s1 s2 s3 s4 s5 PE
s6 Ck
s1 s2 s3 s4 s5 s6
s1 s2 s3 s4 s5 PE
Ck
1s1 1s2 2s1 2s2
1s1 1s2 2s1 2s2 PE
1s2 1s3 2s3 Ck
1s1 1s2 1s3 2s1 2s2 2s3
1s1 2s1 2s2 PE
1s2 1s3 2s2 2s3
1s2 1s3 2s2 2s3 Ck
1s1 1s4 2s1 2s4
1s1 1s4 2s1 2s4 PE
1s4 1s5 2s4 2s5
1s1 1s2 1s3 2s1 2s2 2s3
1s2 2s2 3s2 Ck
1s1 1s2 2s1 2s2 3s1 3s2
1s1 2s1 3s1 PE
1s2 1s3 2s3 3s2 3s3
1s2 1s3 2s3 3s2 3s3 Ck
1s1 2s1 2s2 3s1
1s1 2s1 2s2 3s1 PE
1s2 1s3 2s2 2s3 3s2 3s3
1s2 1s3 2s2 2s3 3s2 3s3 Ck
1s1 1s4 2s1 2s4 3s1 3s4
1s1 1s4 2s1 2s4 3s1 3s4 PE
1s3 1s4 1s5 2s4 2s5 3s4 3s5
1s1 1s2 2s1 2s2 2s3 3s1 3s2 3s3
1s2 2s2 3s2 4s2
1s2 2s2 3s2 4s2 Ck
1s1 2s1 3s1 4s1
1s1 2s1 3s1 4s1 PE
1s2 1s3 2s3 3s2 3s3 4s3
1s2 1s3 2s3 3s2 3s3 4s3 Ck
1s1 2s1 2s2 3s1 4s1 4s2
1s1 2s1 2s2 3s1 4s1 4s2 PE
1s2 1s3 2s2 2s3 3s2 3s3 4s2 4s3
1s1 1s4 2s1 2s4 3s1 3s4 4s1 4s4
1s2 2s2 3s2 4s2 5s2
1s1 2s1 3s1 4s1 5s1
1s2 1s3 2s3 3s2 3s3 4s3 5s2 5s3
Ck
1s1 2s1 2s2 3s1 4s1 4s2 5s1
PE
1s2 2s2 3s2 4s2 5s2 6s2
1s1 2s1 3s1 4s1 5s1 6s1
s1 s1 s2 s2
2nd line of terminal
1st line of terminal
No tap
1 tap
No tap
2 tap
3 tap
No tap
1 tap
2 tap
Dummy
with CD
6 cores
special
No tap
1 tap
2 tap
4 tap
3 tap
1 tap
2 tap
3 tap
No tap
No tap
1 tap
Three cores
Three cores with CD
4 cores
4 cores with CD
5 cores
One core
One core with CD
Two cores
Two cores with CD
Variants of connections
- double row terminal
- Special CT according
10 CURRENT AND VOLTAGE INSTRUMENT TRANSFORMERS
INSTRUCTIONS FOR INSTALLATION, USE AND MAINTENANCE
- Voltage transformers according to IEC
a n N PE
a1 a2 n N PE
a n da dn N PE
1a 1n 2a 2n N PE
1a1 1a2 2a1 2a2
1n 2n N PE
1a 2a da
1n 2n dn N PE
1a 2a 3a
1n 2n 3n N PE
1a1 1a2 2a2 da1 da2
1n 2a1 2n dn N PE
a1 a2 da1 da2
n dn N PE
a1 a2 da
n dn N PE
a b PE
a1 a2 b PE
1a 1b 2a 2b PE
a b da dn PE
1a1 1a2 2a1 2a2
1b 2b PE
1 measuring winding with 1 tap
2 measuring
1 measuring + residual
2 measuring winding with tap
1 measuring winding with no tap
1 measuring winding with 1 tap
1 measuring + residual
2 measuring winding with no tap
2 measuring winding with 1 tap
2 measuring + residual
3 measuring
2 measuring with tap + residual
with 1 tap
1 measuring with tap + residual
with 1 tap
1 measuring with tap + residual
1 measuring
Variants of connections of double row terminal - One pole VT
according to IEC
Variants of connections of double row terminal - Double pole VT
according to IEC
Residual voltage windings connected to open delta must have dn terminal earthed
only on one of three transformers (earthing screws at dn terminals of others two
transformers have to be removed).
11
- Current transformers according to IEEE
Ck
No tap x1 x2 x1 x2 PE
Ck
1 tap x1 x2 x3 x1 x2 x3 PE
Ck
2 taps x1 x2 x3 x4 x1 x2 x3 x4 PE
Ck
3 taps x1 x2 x3 x4 x5 x1 x2 x3 x4 x5 PE
x6 Ck
4 taps x1 x2 x3 x4 x5 x6 x1 x2 x3 x4 x5 PE
Ck
No tap x1 x2 y1 y2 x1 x2 y1 y2 PE
x2 x3 y3 Ck
1 tap x1 x2 x3 y1 y2 y3 x1 y1 y2 PE
x2 x3 y2 y3 x2 x3 y2 y3 Ck
2 taps x1 x4 y1 y4 x1 x4 y1 y4 PE
x4 x5 y4 y5
3 taps x1 x2 x3 y1 y2 y3
x2 y2 z2 Ck
No tap x1 x2 y1 y2 z1 z2 x1 y1 z1 PE
x2 x3 y3 z2 z3 x2 x3 y3 z2 z3 Ck
1 tap x1 y1 y2 z1 x1 y1 y2 z1 PE
x2 x3 y2 y3 z2 z3 x2 x3 y2 y3 z2 z3 Ck
2 taps x1 x4 y1 y4 z1 z4 x1 x4 y1 y4 z1 z4 PE
x3 x4 x5 y4 y5 z4 z5
3 taps x1 x2 y1 y2 y3 z1 z2 z3
Three cores
Three cores with CD
One core
One core with CD
Two cores
Two cores with CD
x1 x2 H2 PE
x1 x2 x3 H2 PE
x1 x2 y1 y2 H2 PE
x1 x2 y1 y2
x3 y3 H2 PE
x1 y1 z1
x2 y2 z3 H2 PE
2 measuring winding with
no tap
2 measuring winding with
1 tap
3 measuring
Variants of connections of double row terminal
1 measuring winding with
no tap
1 measuring winding with
1 tap
12 CURRENT AND VOLTAGE INSTRUMENT TRANSFORMERS
INSTRUCTIONS FOR INSTALLATION, USE AND MAINTENANCE
- Voltage transformers according to IEEE
Ck
No tap x1 x2 x1 x2 PE
Ck
1 tap x1 x2 x3 x1 x2 x3 PE
Ck
2 taps x1 x2 x3 x4 x1 x2 x3 x4 PE
Ck
3 taps x1 x2 x3 x4 x5 x1 x2 x3 x4 x5 PE
x6 Ck
4 taps x1 x2 x3 x4 x5 x6 x1 x2 x3 x4 x5 PE
Ck
No tap x1 x2 y1 y2 x1 x2 y1 y2 PE
x2 x3 y3 Ck
1 tap x1 x2 x3 y1 y2 y3 x1 y1 y2 PE
x2 x3 y2 y3 x2 x3 y2 y3 Ck
2 taps x1 x4 y1 y4 x1 x4 y1 y4 PE
x4 x5 y4 y5
3 taps x1 x2 x3 y1 y2 y3
x2 y2 z2 Ck
No tap x1 x2 y1 y2 z1 z2 x1 y1 z1 PE
x2 x3 y3 z2 z3 x2 x3 y3 z2 z3 Ck
1 tap x1 y1 y2 z1 x1 y1 y2 z1 PE
x2 x3 y2 y3 z2 z3 x2 x3 y2 y3 z2 z3 Ck
2 taps x1 x4 y1 y4 z1 z4 x1 x4 y1 y4 z1 z4 PE
x3 x4 x5 y4 y5 z4 z5
3 taps x1 x2 y1 y2 y3 z1 z2 z3
Three cores
Three cores with CD
One core
One core with CD
Two cores
Two cores with CD
x1 x2 H2 PE
x1 x2 x3 H2 PE
x1 x2 y1 y2 H2 PE
x1 x2 y1 y2
x3 y3 H2 PE
x1 y1 z1
x2 y2 z3 H2 PE
2 measuring winding with
no tap
2 measuring winding with
1 tap
3 measuring
Variants of connections of double row terminal
1 measuring winding with
no tap
1 measuring winding with
1 tap
13
Appendix 2
Wiring diagram examples
Current transformers: Voltage transformers:
Primary current
Secondary current
P1 P2
S1 S2
Primary current
High Ratio
Low
Ratio
P1 P2
1S1 1S2 1S3
Primary current
P1 P2
Secondary current
1S1 1S2
Secondary current
2S1 2S2
P1 C1 C2 P2
Secondary current
S1 S2
Primary voltage
Secondary voltage
AN
an
Primary voltage
Secondary voltage
AN
an
Secondary voltage
da dn
Low ratio
High ratio
Primary voltage
1n1a1 1a2
A
N
14 CURRENT AND VOLTAGE INSTRUMENT TRANSFORMERS
INSTRUCTIONS FOR INSTALLATION, USE AND MAINTENANCE
Examples of current transformers connection
15
Examples of voltage transformers connection
16 CURRENT AND VOLTAGE INSTRUMENT TRANSFORMERS
INSTRUCTIONS FOR INSTALLATION, USE AND MAINTENANCE
Appendix 3
Damping ferroresonance for voltage transformer type range TJ
Technical background
ated with the excitation of one or more saturable inductors
The saturable inductor is usually present in the form of an in
earthed network is one of the most common ferroresonance
There is an additional factor that can in some cases reduce
or totally eliminate the risk for ferroresonance and it is
Recommendation
age factor if the requirements for the secondary winding are
Voltage of residual
winding
Value of Rdamp Power Dissipation
Ω
Ω
17
There are few possibilities of handling:
1) Manual handling
Transformers can be handled by hands in case
the weight of the transformer is not higher than
grasp of the transformers always use handling
Note. Types TJP or TDP never handle by gripping
the fuse holder – risk of break.
by hands in case the transformer is equipped
be carried by at least two persons using the base
2) Handling by belts
handling can be done by hanging of the trans
Note. This system is recommended for types:
TTR, TSR, BB(O), KOKS. Hanging systems for
those types are visualized on pictures.
Safety warning!
the crane has to be at least 200 kg. Always make
sure that the belts hold safely on the crane and
on the transformer.
3) Handling by the self-locking hooks
to grip the hooks under the base of the trans
Note. This system is recommended for types:
KGUG, KGUGI. This handling system is visualized
on the pictures.
Safety warning!
and the crane has to be 200 kg at least. Always
make sure that the hooks hold safely on the
crane and on the transformer.
Appendix 4
Handling with transformers
—
11
—
12
—
13
—
11 Manual handling
—
12 Transformer hanging
on belts
—
13 Self locking hooks at
tached on the handling
grips
18 CURRENT AND VOLTAGE INSTRUMENT TRANSFORMERS
INSTRUCTIONS FOR INSTALLATION, USE AND MAINTENANCE
4) Handling by the self-locking hooks under pri-
mary screws
dling can be done by hanging of the hooks on the
Note. This system is recommended for types:
-
sualized on the picture.
Safety warning!
and the crane has to be 200 kg at least. Always
make sure that the hooks hold safely on the
crane and on the transformer.
During the manipulation with
transformer it is necessary to follow safety work
instructions. Never stand under the freight. Al-
ways make sure that the freight is safely locked
on the crane and make sure that there is no risk
of unexpected release or turnover of the freight.
Note. Holding jigs, described in these chapters,
are not a part of delivery.
—
attached under primary
screws
—
14
19
1) Step drill procedure
It is recommended to clear the edges of all new
2) Screwdriver procedure
It is recommended to clear the edges of all new
Note: Whole procedure must be realized with all
caution, to avoid damage of a secondary termi-
nal.
Appendix 5
Removing of cable grommet on a secondary terminal cover
20 CURRENT AND VOLTAGE INSTRUMENT TRANSFORMERS
INSTRUCTIONS FOR INSTALLATION, USE AND MAINTENANCE
Appendix 6
Dimensional Drawing TPU 4x.xx and TPU 5x.xx
220
b
a
12
C
B
F
D
G
E
H
80
40
32120
20
M12
TPU 4(5)0.11, TPU 4(5)3.11
TPU 4(5)0.21, TPU 4(5)3.21
68
60
32120
18
M12
TPU 4(5)0(3).1(2)3
TPU 4(5)0(3).31(3)
TPU 4(5)0(1,2,3).41(3)
TPU 4(5)0(3).53
80
40
32120
33,5
23 23 23 M12
M8
TPU 4(5)0.12, TPU 4(5)0.14
TPU 4(5)0.22, TPU 4(5)0.24
80
80
32120
40
20
M12
TPU 4(5)4.1(2,3,4)1(3)
TPU 4(5)5.1(2,3,4)1(3)
TPU 4(5)6.1(2,3,4)1(3)
TPU 4(5)7.1(2,3,4)1(3)
TPU 4(5)8.1(2,3,4)1(3)
TPU 4(5)0(3).11
TPU 4(5)0.12
TPU 4(5)4(5,6,7,8).11
TPU 4(5)0(3).13
TPU 4(5)0.14
TPU 4(5)4(5,6,7,8).13
TPU 4(5)0(3).21
TPU 4(5)0.22
TPU 4(5)4(5,6,7,8).21
TPU 4(5)0(3).23
TPU 4(5)0.24
TPU 4(5)4(5,6,7,8).23
TPU 4(5)0(3).31
TPU 4(5)4(5,6,7,8).31
TPU 4(5)0(3).33
TPU 4(5)4(5,6,7,8).33
TPU 4(5)0.53
TPU 4(5)0(1,3).41
TPU 4(5)4(5,6,7,8).41
TPU 4(5)0(1,3).43
TPU 4(5)4(5,6,7,8).43
a [mm]
-
340
-
248
-
280 248
-
280
B [mm]
355 355 455 455 355 355 335 465 465
b [mm]
266 266 386 386 285 285 283 395 395
C [mm]
148 148 148 148 184 184 148 184 184
D [mm]
270 270 390 390 270 270 270 390 390
E [mm]
125 125 125 125 160 160 125 160 160
F [mm]
15 15 15 15 25 25 15 15 15
G [mm]
135 135 255 255 135 135 135 255 255
H [mm]
-
86
-
86
-
110 86
-
110
This manual suits for next models
311
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