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TRANSFORMERS
CA-0
0012
-201
9-05
-EN
POWER VOLTAGE
Trench is a recognized world leader in the design and manufacture of high voltage equipment for application on electric utility and high energy industrial systems. Instrument Transformers are used to convert high transmission line voltages to standardized low and easily measurable values, which will be used for metering, protection and control of the high voltage system. As such, the need for accurate and reliable voltage and current transformation is essential. The reliability and security of Trench instrument transformers is based on over 50 years of innovation with units operating under a wide range of environmental conditions.Instrument transformers also ensure suitable electrical insulation between high voltage and low voltage measuring equipment.
TRANSFORMERS
POWER VOLTAGE
Trench is a recognized world leader in the design and manufacture of high voltage equipment for application on electric utility and high energy industrial systems. Instrument Transformers are used to convert high transmission line voltages to standardized low and easily measurable values, which will be used for metering, protection and control of the high voltage system. As such, the need for accurate and reliable voltage and current transformation is essential. The reliability and security of Trench instrument transformers is based on over 50 years of innovation with units operating under a wide range of environmental conditions.Instrument transformers also ensure suitable electrical insulation between high voltage and low voltage measuring equipment.
MAINFEATURES
General Product Design Product processSingle phase design with the possibility to couple three single devices in case of three-phase systems.
Clean Air, Oil or SF6 internal insulation
External insulation with porcelain or composite insulator Equipped with two identical secondary winding groups switchable in parallel and series connection. Thus, the output power can be evenly split to each group, avoiding compensation currents.
Temperature range from -50°C up to 40°C; dedicated features for larger ranges can be designed
Special features:
- Available to withstand moderate seismicrequirements according to IEEE 693 and specific customers’ requests (i.e. Chile ETG A.0.20).High seismic and other specific requirements on request
- Overload capability – cycle operation
- Cable discharge capability
Optimized design to manufacturing
Lean manufacturing concept applied to the whole supply chain
Optimized design allows the use of reduced numbers of components and quick customization to all customer specific requirements
Maintenance free during a long lifetime of more than 30 years
Trench Management System has been certified according to ISO 9001, ISO 14001 and OHSAS 18001 standards
Thousands of transformers are installed and in service for more than 50 years all over the world in every environmental condition – the best guarantee for the quality and reliability of our products.
Trench Power Voltage Transformers combine the attributes of an inductive voltage transformer with the application of a power transformer.
Typical applications:
- Auxiliary power supply for substations- Electrification of remote areas- Power supply during substation construction works
Trench PVT portfolio includes both SF6 and oil insulated power voltage transformers up to 550 kV.Additionally, clean air insulation is also under development up to 550 kV.
Maximum continuous output power in single phase operation 167 kVA, therefore the maximum power performance in three phase operation is up to 500 kVA
Standard output voltages on secondary side120V or 240V. Different voltages available on request.
Available according relevant IEC and IEEE Standards and specific customer requirements.
MAINFEATURES
General Product Design Product processSingle phase design with the possibility to couple three single devices in case of three-phase systems.
Clean Air, Oil or SF6 internal insulation
External insulation with porcelain or composite insulator Equipped with two identical secondary winding groups switchable in parallel and series connection. Thus, the output power can be evenly split to each group, avoiding compensation currents.
Temperature range from -50°C up to 40°C; dedicated features for larger ranges can be designed
Special features:
- Available to withstand moderate seismicrequirements according to IEEE 693 and specific customers’ requests (i.e. Chile ETG A.0.20).High seismic and other specific requirements on request
- Overload capability – cycle operation
- Cable discharge capability
Optimized design to manufacturing
Lean manufacturing concept applied to the whole supply chain
Optimized design allows the use of reduced numbers of components and quick customization to all customer specific requirements
Maintenance free during a long lifetime of more than 30 years
Trench Management System has been certified according to ISO 9001, ISO 14001 and OHSAS 18001 standards
Thousands of transformers are installed and in service for more than 50 years all over the world in every environmental condition – the best guarantee for the quality and reliability of our products.
Trench Power Voltage Transformers combine the attributes of an inductive voltage transformer with the application of a power transformer.
Typical applications:
- Auxiliary power supply for substations- Electrification of remote areas- Power supply during substation construction works
Trench PVT portfolio includes both SF6 and oil insulated power voltage transformers up to 550 kV.Additionally, clean air insulation is also under development up to 550 kV.
Maximum continuous output power in single phase operation 167 kVA, therefore the maximum power performance in three phase operation is up to 500 kVA
Standard output voltages on secondary side120V or 240V. Different voltages available on request.
Available according relevant IEC and IEEE Standards and specific customer requirements.
MAINFEATURES
General Product DesignSingle phase design with the possibility to couple three single devices in case of three-phase systems.
Clean Air, Oil or SF6 internal insulation
External insulation with porcelain or composite insulator Equipped with two identical secondary winding groups switchable in parallel and series connection. Thus, the output power can be evenly split to each group, avoiding compensation currents.
Temperature range from -50°C up to 40°C; dedicated features for larger ranges can be designed
Special features:
- Available to withstand moderate seismicrequirements according to IEEE 693 and specific customers’ requests (i.e. Chile ETG A.0.20).High seismic and other specific requirements on request
- Overload capability – cycle operation
- Cable discharge capability
Thousands of transformers are installed and in service for more than 50 years all over the world in every environmental condition – the best guarantee for the quality and reliability of our products.
Trench Power Voltage Transformers combine the attributes of an inductive voltage transformer with the application of a power transformer.
Typical applications:
- Auxiliary power supply for substations- Electrification of remote areas- Power supply during substation construction works
Trench PVT portfolio includes both SF6 and oil insulated power voltage transformers up to 550 kV.Additionally, clean air insulation is also under development up to 550 kV.
Maximum continuous output power in single phase operation 167 kVA, therefore the maximum power performance in three phase operation is up to 500 kVA
Standard output voltages on secondary side120V or 240V. Different voltages available on request.
Available according relevant IEC and IEEE Standards and specific customer requirements.
ELECTRICAL and MECHANICAL DATA
PRODUCTSTRUCTURE
PVT 72
PVT 123
PVT 145
PVT 170
PVT 245
PVT 362
PVT 420
PVT 550
72,5
123
145
170
245
362
420
550
350
550
650
750
1050
1300
1425
1550*Ty
pe Ra
ted
light
ning
impu
lse
with
stan
d vo
ltage
Rate
d po
wer
-fre
quen
cy
with
stan
d vo
ltage
High
est v
olta
ge fo
req
uipm
ent U
m
kV kV kV kV (r.m.s.) (r.m.s.) (peak) (peak)
TPVT 123-100
TPVT 145-100
TPVT 170-100
123
145
170
Type
Rate
d po
wer
-fre
quen
cyw
ithst
and
volta
ge
High
est v
olta
ge fo
req
uipm
ent U
m
kV kV kV kV
Data is indicative and not binding. Dimensions are referred to typical Power Voltage Transformers equipped with porcelain insulator & according to IEC 61869 Standards – other options are available.The regular improvement of designs may cause discrepancies between this document and an updated product.On request, our sales team will be glad to submit you a firm, updated technical and commercial offer fully customized to your specific requests.
* Higher value according IEEE available on requestData is indicative and not binding. Dimensions are referred to typical Power Voltage Transformers equipped with composite insulator & according to IEC 61869 Standards – other options areavailable.The regular improvement of designs may cause discrepancies between this document and an updated product.On request, our sales team will be glad to submit you a firm, updated technical and commercial offer fully customized to your specific requests.
(r.m.s.) (r.m.s.) (peak) (peak)
OIL INSULATED TPVT
GAS INSULATED TPVT
140
230
275
325
460
575
630
680*
Aluminum Cover
Oil Level Indicator
Oil Bellows
HV Terminal
Composite/Porcelain Insulator
Graded Bushing
Base tank
Low Voltage Terminals Box
Iron core
Low Voltage Winding
High Voltage Winding
Oil Drain Valve
Fixing Holes
Rapture disc
HV Terminal
Composite Insulator
Graded Bushing
Base Tank
Iron Core
Low Voltage Winding
HV Winding
SF6 Filling Valve
Low Voltage Box
Fixing Holes D
B
ØD
B
A
GAS INSULATED PVTOIL INSULATED TPVT
PRODUCTSTRUCTURE
Aluminum Cover
Oil Level Indicator
Oil Bellows
HV Terminal
Composite/Porcelain Insulator
Graded Bushing
Base tank
Low Voltage Terminals Box
Iron core
Low Voltage Winding
High Voltage Winding
Oil Drain Valve
Fixing Holes
Rapture disc
HV Terminal
Composite Insulator
Graded Bushing
Base Tank
Iron Core
Low Voltage Winding
HV Winding
SF6 Filling Valve
Low Voltage Box
Fixing Holes D
B
ØD
B
A AC
GAS INSULATED PVTOIL INSULATED TPVT
Product processOptimized design to manufacturing
Lean manufacturing concept applied to the whole supply chain
Optimized design allows the use of reduced numbers of components and quick customization to all customer specific requirements
Maintenance free during a long lifetime of more than 30 years
Trench Management System has been certified according to ISO 9001, ISO 14001 and OHSAS 18001 standards
PRODUCTSTRUCTURE
Thousands of transformers are installed and in service for more than 50 years all over the world in every environmental condition – the best guarantee for the quality and reliability of our products.
Aluminum Cover
Oil Level Indicator
Oil Bellows
HV Terminal
Composite/Porcelain Insulator
Graded Bushing
Base tank
Low Voltage Terminals Box
Iron core
Low Voltage Winding
High Voltage Winding
Oil Drain Valve
Fixing Holes
D
B
ØD
B
A AC
GAS INSULATED PVTOIL INSULATED TPVT
ELECTRICAL and MECHANICAL DATA
- -
130
130
181
183
199
217
244
- -
150
150
189
191
207
224
252
54
54
54
54
54
54
54
- -
55
55
55
55
55
55
55
55
65
65
65
65
65
65
65
- -
65
65
65
65
65
65
65
65
78
78
78
78
78
78
78
78
B ØD
Tota
l Wei
ght
inches
Power (kVA)
25 50 100 125 167 25 50 100 125 167
inches inches
Power (kVA)
39
39
39
39
39
39
39
- -
46
46
46
46
46
46
46
46
3858
4079
4079
4189
4299
4630
4850
5071
6834
7055
7055
7275
7385
7606
7826
- -
- -
7716
7716
7826
8047
8267
8488
8818
--
9921
9921
10031
10251
10472
10692
11023
2205
2315
2315
2425
2646
2866
3086
- -
56
56
56
56
56
56
56
- -
56
56
56
56
56
56
56
56
68
68
68
68
68
68
68
68
25 50 100 125 167 25 50 100 125 167
Power (kVA)
pounds
Power (kVA)
40
47
55
124
148
180
154
183
220
109
117
125
42x53
42x53
42x53
87
95
103
22x43
22x43
22x43
5137
5181
5225
783
798
805
Arc
dist
ance
Mín
imum
nom
inal
spe
cific
cree
page
dist
ance
(Pol
lutio
n Le
vel I
II) 2
5 m
m/k
V
Mín
imum
nom
inal
spe
cific
cree
page
dist
ance
(Pol
lutio
n Le
vel I
V) 3
1 mm
/kV
A B- la
rges
t ove
rall
dom
esni
ons
in tw
ope
rpen
dicu
lar
dire
ctio
ns
C D - B
ase
mou
ntin
g ho
les
in tw
o di
rect
ions
Tota
l Wei
ght
Oil W
eigh
t
inches inches inches inches inches inches inches pounds pounds
Data is indicative and not binding. Dimensions are referred to typical Power Voltage Transformers equipped with porcelain insulator & according to IEC 61869 Standards – other options are available.The regular improvement of designs may cause discrepancies between this document and an updated product.On request, our sales team will be glad to submit you a firm, updated technical and commercial offer fully customized to your specific requests.
* Higher value according IEEE available on requestData is indicative and not binding. Dimensions are referred to typical Power Voltage Transformers equipped with composite insulator & according to IEC 61869 Standards – other options areavailable.The regular improvement of designs may cause discrepancies between this document and an updated product.On request, our sales team will be glad to submit you a firm, updated technical and commercial offer fully customized to your specific requests.
ELECTRICAL and MECHANICAL DATA
350
550
650
750
1050
1300
1425
1550*
94
108
108
146
150
165
183
- -
-
-
-
-
-
975
1050
1175*
112
126
126
163
167
183
201
228
118
132
132
171
173
189
207
- -
130
130
181
183
199
217
244
- -
150
150
189
191
207
224
252
54
54
54
54
54
54
54
- -
55
55
55
55
55
55
55
55
65
65
65
65
65
65
65
- -
65
65
65
65
65
65
65
65
78
78
78
78
78
78
78
78
A B ØD
Rate
d lig
htni
ng im
puls
ew
ithst
and
volta
ge
Rate
d sw
itchi
ngw
ithst
and
volta
ge
Tota
l Wei
ght
kV kV kV kV inches(r.m.s.) (r.m.s.) (peak) (peak) Power (kVA)
25 50 100 125 167 25 50 100 125 167
inches inches
Power (kVA)
39
39
39
39
39
39
39
- -
46
46
46
46
46
46
46
46
3858
4079
4079
4189
4299
4630
4850
5071
6834
7055
7055
7275
7385
7606
7826
- -
- -
7716
7716
7826
8047
8267
8488
8818
--
9921
9921
10031
10251
10472
10692
11023
2205
2315
2315
2425
2646
2866
3086
- -
56
56
56
56
56
56
56
- -
56
56
56
56
56
56
56
56
68
68
68
68
68
68
68
68
25 50 100 125 167 25 50 100 125 167
Power (kVA)
pounds
Power (kVA)
230
275
325
550
650
750
40
47
55
-
-
-
124
148
180
154
183
220
109
117
125
42x53
42x53
42x53
87
95
103
22x43
22x43
22x43
5137
5181
5225
783
798
805
Arc
dist
ance
Mín
imum
nom
inal
spe
cific
cree
page
dist
ance
(Pol
lutio
n Le
vel I
II) 2
5 m
m/k
V
Mín
imum
nom
inal
spe
cific
cree
page
dist
ance
(Pol
lutio
n Le
vel I
V) 3
1 mm
/kV
A B- la
rges
t ove
rall
dom
esni
ons
in tw
ope
rpen
dicu
lar
dire
ctio
ns
C D - B
ase
mou
ntin
g ho
les
in tw
o di
rect
ions
Tota
l Wei
ght
Oil W
eigh
t
Rate
d lig
htni
ng im
pulse
with
stan
d vo
ltage
Rate
d sw
itchi
ngw
ithst
and
volta
ge
Rate
d po
wer
-fre
quen
cyw
ithst
and
volta
ge
kV kV kV kV inches inches inches inches inches inches inches pounds pounds
Data is indicative and not binding. Dimensions are referred to typical Power Voltage Transformers equipped with porcelain insulator & according to IEC 61869 Standards – other options are available.The regular improvement of designs may cause discrepancies between this document and an updated product.On request, our sales team will be glad to submit you a firm, updated technical and commercial offer fully customized to your specific requests.
* Higher value according IEEE available on requestData is indicative and not binding. Dimensions are referred to typical Power Voltage Transformers equipped with composite insulator & according to IEC 61869 Standards – other options areavailable.The regular improvement of designs may cause discrepancies between this document and an updated product.On request, our sales team will be glad to submit you a firm, updated technical and commercial offer fully customized to your specific requests.
(r.m.s.) (r.m.s.) (peak) (peak)
OIL INSULATED TPVT
GAS INSULATED TPVT
ELECTRICAL and MECHANICAL DATA
PVT 72
PVT 123
PVT 145
PVT 170
PVT 245
PVT 362
PVT 420
PVT 550
72,5
123
145
170
245
362
420
550
350
550
650
750
1050
1300
1425
1550*
94
108
108
146
150
165
183
- -
-
-
-
-
-
975
1050
1175*
112
126
126
163
167
183
201
228
118
132
132
171
173
189
207
- -
130
130
181
183
199
217
244
- -
150
150
189
191
207
224
252
54
54
54
54
54
54
54
- -
55
55
55
55
55
55
55
55
65
65
65
65
65
65
65
- -
65
65
65
65
65
65
65
65
78
78
78
78
78
78
78
78
Type
A B ØD
Rate
d lig
htni
ng im
puls
ew
ithst
and
volta
ge
Rate
d sw
itchi
ngw
ithst
and
volta
ge
Tota
l Wei
ght
Rate
d po
wer
-fre
quen
cy
with
stan
d vo
ltage
High
est v
olta
ge fo
req
uipm
ent U
m
kV kV kV kV inches(r.m.s.) (r.m.s.) (peak) (peak) Power (kVA)
25 50 100 125 167 25 50 100 125 167
inches inches
Power (kVA)
39
39
39
39
39
39
39
- -
46
46
46
46
46
46
46
46
3858
4079
4079
4189
4299
4630
4850
5071
6834
7055
7055
7275
7385
7606
7826
- -
- -
7716
7716
7826
8047
8267
8488
8818
--
9921
9921
10031
10251
10472
10692
11023
2205
2315
2315
2425
2646
2866
3086
- -
56
56
56
56
56
56
56
- -
56
56
56
56
56
56
56
56
68
68
68
68
68
68
68
68
25 50 100 125 167 25 50 100 125 167
Power (kVA)
pounds
Power (kVA)
TPVT 123-100
TPVT 145-100
TPVT 170-100
123
145
170
230
275
325
550
650
750
40
47
55
-
-
-
124
148
180
154
183
220
109
117
125
42x53
42x53
42x53
87
95
103
22x43
22x43
22x43
5137
5181
5225
783
798
805
Type
Arc
dist
ance
Mín
imum
nom
inal
spe
cific
cree
page
dist
ance
(Pol
lutio
n Le
vel I
II) 2
5 m
m/k
V
Mín
imum
nom
inal
spe
cific
cree
page
dist
ance
(Pol
lutio
n Le
vel I
V) 3
1 mm
/kV
A B- la
rges
t ove
rall
dom
esni
ons
in tw
ope
rpen
dicu
lar
dire
ctio
ns
C D - B
ase
mou
ntin
g ho
les
in tw
o di
rect
ions
Tota
l Wei
ght
Oil W
eigh
t
Rate
d lig
htni
ng im
pulse
with
stan
d vo
ltage
Rate
d sw
itchi
ngw
ithst
and
volta
ge
Rate
d po
wer
-fre
quen
cyw
ithst
and
volta
ge
High
est v
olta
ge fo
req
uipm
ent U
m
kV kV kV kV inches inches inches inches inches inches inches pounds pounds
Data is indicative and not binding. Dimensions are referred to typical Power Voltage Transformers equipped with porcelain insulator & according to IEC 61869 Standards – other options are available.The regular improvement of designs may cause discrepancies between this document and an updated product.On request, our sales team will be glad to submit you a firm, updated technical and commercial offer fully customized to your specific requests.
* Higher value according IEEE available on requestData is indicative and not binding. Dimensions are referred to typical Power Voltage Transformers equipped with composite insulator & according to IEC 61869 Standards – other options areavailable.The regular improvement of designs may cause discrepancies between this document and an updated product.On request, our sales team will be glad to submit you a firm, updated technical and commercial offer fully customized to your specific requests.
(r.m.s.) (r.m.s.) (peak) (peak)
OIL INSULATED TPVT
GAS INSULATED TPVT
140
230
275
325
460
575
630
680*
CA-0
0012
-202
0-02
-EN
Trench GermanyNürnberger Straße 199 96050 Bamberg Germanyt. +49 951 1803 0 f. +49 951 1803 224
Trench Canada1865 Clements RoadL1W 3R8 Pickering, Ontario CANADAt. +1 416 298 8108f. +1 416 298 2209
www.trenchgroup.com
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