Key Product Features
Comprehensive Configuration
The PSS encompasses a distribution transformer, medium voltage (MV) and low voltage (LV) switchgear, control gear, HV and LV voltage interconnections, auxiliary equipment, and circuits. All these components are harmoniously integrated to ensure seamless f
Urban-Centric Design
UTEC’s substation is a perfect fit for high-density urban environments with a strong emphasis on aesthetics and safety. The self-supporting enclosure ensures protection against environmental elements and unauthorized access, maintaining the integrity of t
Flexible Access Options
Whether you prefer walk-in or non-walk-in access, our substation accommodates your operational needs. Choose the configuration that suits your requirements, enhancing convenience and adaptability.
Tailored Compartments
The PSS has various configurations, typically featuring distinct MV, transformer, and LV equipment compartments. Alternatively, a dual-compartment setup can house the distribution transformer in the first compartment and the MV/LV equipment in the other,
Adaptable Roof System
Our substation can be equipped with a single or double roof system to meet the project requirements. This innovative design allows easy on-site equipment replacement, facilitated by a user-friendly detachable roof fixation mechanism.
Proven Performance
Optimized Ventilation
The transformer compartment employs natural ventilation to maintain optimal temperature levels to maximize energy efficiency. Whether liquid-filled or dry-type transformers, our substation ensures reliable and consistent performance.
Efficient Cooling
Natural ventilation is seamlessly integrated through thoughtfully positioned openings, ensuring efficient cooling of electrical equipment. Additionally, forced ventilation is available for applications requiring enhanced temperature control.
Enhanced Accessibility
Operations and maintenance are made effortless with our carefully designed door features. Door stoppers maintain open positions, while a standard 3-point locking system ensures security. Door limit switches and panel lights activate upon door opening, enh
Seamless Connectivity
The connection between the distribution transformer and MV/LV equipment is optimized for flexibility. Choose between busbar or cable connections, with cable options featuring pre-molded, cold shrink, or heat shrink cable heads. The LV switchboard connecti
Technical Data
General characteristics
STANDARD
TYPE-TESTED ASSEMBLIES (TTA) / IEC 62271-202
TEST CERTIFICATE
KEMA Certification
Medium voltage switchgear (MV), rated voltages
RATED VOLTAGE OF THE SWITCHGEAR Ur
12KV / 17.5KV / 24 KV / 36 KV
OPERATING VOLTAGE OF THE NETWORK U
10-11 KV / 13.8-15KV / 20-22KV / 25.8-36KV
POWER FREQUENCY WITH STAND VOLTAGE Ud
28KV for 1 MIN / 38 KV for 1MIN / 50 KV for 1 MIN / 70 KV for 1 MIN
LIGHTNING IMPLUSE WITHSTAND VOLTAGE TOWARDS THE GROUND "BIL" UP
75 kv for 1.2/50 us 50Hz / 95 kv for 1.2/50 us 50Hz / 125kv for 1.2/50 us 50hz / 170kv for 1.2/50 us 50Hz
LIGHTNING IMPLUSE WITHSTAND VOLTAGE ACROSS THE ISOLATING DISTANCE "BIL" UP
85 kv for 1.2/50 us 50Hz / 110 kv for 1.2/50 us 50hz / 145 kv for 1.2/50us 50Hz / 195 kv for 1.2/50 us 50Hz
FREQUENCY f
50 / 60Hz (all classes)
Medium voltage switchgear (MV), rated current
BUSBAR RATED CURRENT Ir
12KV: 630 A / 17.5KV: 630 A / 24KV: 400 / 630 A / 36KV: 400 / 630 A
SWITCH DISCONNECTOR RATED CURRENT LBS Ir
12KV: 630 A / 17.5KV: 630 A / 24KV: 400 / 630 A / 36KV: 400 / 630 A
PROTECTION WITH CIRCUIT BREAKER RATED CURRENT CB Ir
12KV: 200 / 630 A / 17.5KV: 200 / 630 A / 24KV: 200 / 630 A / 36KV: 100 / 200/ 400 / 630 A
PROTECTION WITH FUSE-SWITCH FOR TRANSFORMER WITH RATING UP TO
12KV: 1250 KVA / 17.5KV: 1600 KVA / 24KV: 2000 KVA / 36KV: 2000 KVA
INTERNAL ARC WITHSTAND CURRENT IA
20 kA / 1s (all classes)
RATED SHORT-TIME WITHSTAND CURRENT Ik
12KV: 21 / 25 kA / 17.5KV: 21 kA / 24KV: 12.5 /16 / 20 kA / 36KV: 12.5 / 16 / 20 / 25 kA
DURATION tk
1 / 3 s (all classes)
RATED PEAK WITHSTAND CURRENT (MAKING CAPACITY) Ip
12KV: 52.5 / 62.5 kA / 17.5KV: 52.5 kA / 24KV: 31.25 / 40 / 50 /52.5 kA / 36KV: 31.25 / 40 / 50 /62.5 kA
ACCESSIBILITY: CONTINUITY OF SERVICE CLASS
LSC2 (all classes)
Distribution transformer (TR), rated voltages
PRIMARY VOLTAGE Upri
0.22,3.3, 6.6, 11, 13.8, 20, 33 OTHER ON REQUEST UP TO 36 Kv
POWER FREQUENCY WITH STAND VOLTAGE Ud-pri
3, 28, 38, 50, 70 KV for 1 min
LIGHTING IMPLUSE WITHSTAND VOLTAGE TOWARDS THE GROUND "BIL" UP-pri
75, 85, 95, 110, 125, 145, 170, 200 kV for 1.2/50 us 50Hz
SECONDRY VOLTAGE Usec
690 / 400, 480 / 277, 433 / 250, 415 / 240, 400 / 230, 231, / 133 V
POWER FREQUENCY WITHSTAND VOLTAGE Ud-SEC
3, 10 KV
FREQUENCY f
50 /60 Hz
Distribution transformer (TR), rated capacity
RATING Sn
50- 3150 KVA
TYPE
OIL / DRY ON REQUEST
WINDING MATERIAL
Cu / Al
Distribution transformer (TR), general characteristics
VECTOR GROUP
Dyn11, OTHERS ON REQUEST
IMPEDANCE VOLTAGE Z%
4 /5 / 6 %
TEMPRATURE RISE TOP OIL / AVERAGE WINDING
50 /55 0C , OTHERS ON REQUEST
Low voltage switchboard (LV), rated voltages
RATED INSULATION VOLTAGE Ui
1000 V
RATED OPERATING VOLTAGE Ue
690 V
RATED IMPULSE WITHSTAND VOLTAGE Uimp
8 Kv
OVER VOLTAGE CATEGORY
I V
DEGREE OF POPULATION
3
RATED FREQUENCY
50 / 60 Hz
Low voltage switchboard (LV), rated currents
MAIN BUSBAR
RATED CURRENT Ie
5000 A
RATED PEAK WITHSTAND CURRENT Ipk
220 A
RATED SHORT-TIME WITHSTAND CURRENT Icw
100 KA / 1s
Substation connections and accessibility
INTERNAL: RING MAIN UNIT TO TRANSFORMER CONNECTION METHOD
CABLE / FLANGED BISBAR KIT
INTERNAL: TRANSFORMER TO LV-SWITCHBOARD CONNECTION METHOD
CABLE/ BRAIDED BUSBAR / RIGID BUSBAR
EXTERNAL: RING MAIN UNIT CONNECTION METHOD
CABLE
EXTERNAL: LV-SWITCHBOARB CONNECTION METHOD
CABLE
CONNECTION ENTRY
BOTTOM
CONNECTION ACCESS
FRONT SIDE
Dimensions
HEIGHT
2000, 2000, 2300, + (BASE & CANOPY) mm
WIDTH
1800, 2000, 2200, 2400, 2600, 2800 mm
DEPTH
"2800, 3200, 3400, 3500, 3700, 3800mm, more than 4000 mm special PSS"
DEGREES OF PROTECTIONS, ACCORDING TO IEC 60529
TR 23, LV 43, RMU 54
Mechanical characteristics, steel components
FRAME AND CANOPY
1.5 / 2.0 mm
CLADDING
1. 0 mm
MOUNTING PAN
2.0 mm
COVER CLADING
1.2 / 1.5 mm
SKID BASE
80, 100, 140 mm
SURFACE PROTECTION: HOUSING
GI or ALU-ZINC
SURFACE PROTECTION: SKID BASE
UPN
FIXATION
ON CONCRETE FOUNDATION
Extras
OPTION
FUSED SWITCH-DISCONNECTOR / RING MAIN UNIT RMU
MV-SWITCHGEAR ACCESSORIES
AUTOMATION READY WITH INTEGRATED RTU
MV-SWITCHGEAR ACCESSORIES
AUTOMATION TRANSFER SCHEME (ATS)
MV-SWITCHGEAR ACCESSORIES
CIRCUIT BREAKER WITH AUTO RECLOSE MECHANISM
MV-SWITCHGEAR ACCESSORIES
WIDE RANGE OF PRODUCTION RELAYS AND TLF DEVICES
MV-SWITCHGEAR ACCESSORIES
MULTIPLECABLE TERMINATION HEIGHTS
TRANSFORMER ACCESSORIES
DGPT AS OPTION / Cu / Al
LV-SWITCH BOARD BUSBAR SYSTEM
FULLY INSULATED / SILVER PLATING / TIN PLATING
SUBSTATION PAINT
COLOR ON REQUEST
Advanced Package Substation for Reliable Power Distribution
Elevate your power distribution efficiency with our innovative Prefabricated Secondary Substation. This solution provides cutting-edge features with proven performance, empowering you to meet the demands of modern energy distribution while maintaining saf
