The ZGS-13 Series 2000kVA Pad Mounted Transformer delivers:
- Low cost – Economical solution without compromising quality
- High reliability – Robust design for continuous operation
- Intelligent performance – Suitable for modern urban power grids
It serves as an ideal integrated solution for urban power distribution projects.
Integrated Components
This 2000kVA pad mounted transformer integrates the following into one compact unit:
| Component | Function |
|---|---|
| Transformer | Core power conversion |
| Switchgear | Circuit control & protection |
| Fuse | Overcurrent protection |
| Tap changer | Voltage regulation |
| Low voltage distribution | LV power management |
| Auxiliary equipment | Supporting functions |
This fully integrated design meets user demands for:
- Electric energy metering
- Reactive power compensation
- Low voltage shunt configuration
Global Markets & Services
| Item | Details |
|---|---|
| Main Export Regions | North America, East Asia, Southeast Asia, Middle East, and more |
| Customization | OEM / ODM services available |
| Standards Compliance | ANSI C57, IEEE, DOE, CSA, IEC 60076, GB 1094, GB 17467-2010, GB/T 14048.8.1, GB 4208 |
1. Standard & Certification
Q1: What industry standards does your 2000kVA pad-mounted transformer comply with? Is it approved for utility grid and large industrial interconnection?
A1: Our 2000kVA utility-grade three-phase pad-mounted transformers are strictly designed and tested per ANSI/IEEE C57.12 series, UL 1551, CSA C227.4 and latest DOE energy efficiency standards, fully meeting North American utility grid, large commercial and heavy industrial power distribution specifications. Meanwhile, it complies with IEC 60076, EN, GOST, AS/NZS and other global mainstream standards. As a high-capacity backbone distribution device, it adopts grid-grade safety and load operation criteria, suitable for industrial parks, large shopping malls, centralized photovoltaic power stations and municipal primary distribution projects. We provide professional standard matching assessment and complete certification files to support grid inspection, project bidding and official acceptance worldwide.
Q2: Can you provide grid-grade type test reports and third-party witnessed tests? Is utility-level FAT witnessing available?
A2: We supply complete CNAS-accredited full type test reports, DOE efficiency certification and grid-standard compliance documents. Test items cover grid-grade strict indicators: heavy-load long-time temperature rise, full-load & overload loss measurement, accurate impedance control, lightning & switching impulse withstand, partial discharge detection and ultra-high short-circuit endurance test. For utility grid projects, large EPC industrial projects and MW-level new energy stations, third-party witnessed tests by SGS, BV, TUV and on-site factory FAT witnessing are fully supported. All test data strictly follows high-capacity pad-mounted transformer grid access thresholds to ensure long-term stable full-load operation.
Q3: What technical documents are included in delivery? Can you provide grid-standard multi-language engineering manuals?
A3: The standard delivery package includes full set of English grid-grade technical documents: equipment nameplate, professional civil foundation load-bearing drawing, overall installation dimension drawing, high/low voltage complete wiring schematic, internal structural drawing, full-item FAT test report, grid-level operation & maintenance manual and official spare parts list. We support customized Spanish, Portuguese, Arabic and French professional engineering manuals, tailored for utility operation teams, large EPC contractors and industrial asset management, with detailed full-load operation specifications, harmonic adaptation guidelines and fault emergency disposal procedures exclusive for high-capacity grid-connected equipment.
2. Technical Performance & Grid-Grade Structural Features
Q4: What winding configurations are available for 2000kVA heavy-duty transformers? Can materials support long-term full-load grid operation?
A4: This 2000kVA high-capacity grid-grade model provides two industrial reliable winding solutions: high-purity oxygen-free copper winding (grid standard configuration) and high-strength reinforced aluminum winding (cost-effective industrial configuration). Copper winding features ultra-low loss, excellent heat dissipation and strong short-circuit impact resistance, fully adapting to 24/7 continuous full-load and frequent overload operation of backbone power distribution. All winding materials come with complete batch test certificates and full production traceability records. Matched with upgraded H-class high-temperature insulation system and vacuum pressure impregnation (VPI) process, the equipment effectively resists insulation aging under long-term heavy-load operation, meeting grid long-term operation requirements.
Q5: Can core electrical parameters be customized for grid and heavy industrial scenarios? How do you handle non-conforming products?
A5: All grid-level core parameters support targeted customization for heavy-load and new energy grid-tie scenarios. Applicable primary voltages include 12.47kV, 13.2kV, 13.8kV and 24.9kV; secondary voltages cover 480Y/277V, 600V and 400V, matching large industrial equipment, commercial complex power supply and centralized PV grid-tie standards. No-load loss, full-load loss, short-circuit impedance and overload multiple can be adjusted according to local grid energy-saving and safety specifications. Every unit undergoes 100% full-load aging test and grid-standard inspection before delivery. Non-compliant products will be completely reworked or replaced free of charge, with zero defective delivery to avoid grid operation risks.
Q6: Can the 2000kVA transformer adapt to harsh working conditions such as coastal heavy corrosion, high-temperature industrial zones, humid environments and seismic industrial parks?
A6: Designed for outdoor unattended heavy-load grid operation, this high-capacity pad-mounted transformer has upgraded harsh environment adaptability with industrial-grade targeted optimization. It adopts C5M ultra-heavy anti-corrosion electrostatic spraying and salt-fog resistant sealing structure for coastal industrial zones and chemical parks; enhanced large-flow heat dissipation system and high-temperature resistant insulation for tropical high-temperature areas; fully sealed waterproof, dust-proof and moisture-proof integrated structure to resist industrial dust, rainwater and condensation erosion; integral thickened steel base and multi-point damping reinforcement structure for seismic zones and frequent vibration industrial environments. All designs focus on long-term zero-fault heavy-load operation in complex harsh scenarios.
Q7: Is this 2000kVA model suitable for large-scale PV/wind farm grid-tie and industrial harmonic load scenarios?
A7: This 2000kVA high-capacity transformer is specially optimized for MW-level distributed new energy stations and industrial nonlinear heavy-load scenarios. The upgraded low-loss high-permeability core and symmetrical balanced winding structure can strongly suppress high-order harmonics generated by large inverters, wind power converters and industrial frequency conversion equipment, effectively reducing harmonic heating, voltage waveform distortion and local overheating risks. It stably copes with severe power fluctuation of centralized new energy and long-term impact of industrial heavy loads, with far stronger harmonic tolerance and grid disturbance resistance than medium and small-capacity transformers, ensuring safe and stable grid-tie operation of key projects.
Q8: What is the full-load standard noise level? Is ultra-low-noise design available for urban industrial and commercial mixed areas?
A8: Under ANSI/IEC standard full-load test conditions, the operating noise of 2000kVA pad-mounted transformer is ≤56dB, with optimized large-capacity vibration damping and silent structural design to control full-load noise efficiently. For urban industrial parks, commercial-residential mixed zones and public facility surrounding areas, we provide customized ultra-low-noise upgrade scheme (≤49dB), adopting integral floating damping base, multi-layer noise reduction baffles and core anti-vibration fixation technology. Official full-load noise test certificates can be provided for environmental assessment and grid project acceptance.
Q9: Does the 2000kVA transformer have enhanced lightning protection and short-circuit withstand capability for grid fault conditions?
A9: Different from medium and small-capacity civil transformers, this grid-grade 2000kVA model adopts upgraded heavy-duty lightning impulse insulation and high-capacity overvoltage protection devices, resisting extreme lightning strikes and complex grid switching overvoltage in open industrial and suburban areas. The reinforced anti-deformation winding structure and high-strength internal locking design greatly improve short-circuit fault withstand capability, which can effectively cope with sudden short-circuit faults caused by grid line faults and industrial load abnormalities. It fully meets utility grid operation standards, with complete lightning impulse and short-circuit endurance test reports available for grid audit.
Q10: What is the grid-grade design service life? How does the insulation system resist long-term heavy-load aging?
A10: The grid-standard design service life of 2000kVA pad-mounted transformer is 30 years. Adopting high-stability industrial oil-paper composite insulation, strictly following the international 6℃ insulation ageing rule, and reserving large temperature rise and ageing margin for long-term full-load and overload operation. Equipped with automatic temperature monitoring and heat dissipation linkage system, it effectively slows down insulation degradation. With standardized periodic oil purification and routine maintenance, the actual service life can reach 35 years, fully meeting the long-cycle operation requirements of grid backbone distribution and key industrial projects.
Q11: What are your core advantages in manufacturing 2000kVA high-capacity pad-mounted transformers?
A11: We are a professional manufacturer focusing on grid-grade high-capacity pad-mounted transformers, with decades of supporting experience in global utility grid, large industrial park and MW-level new energy projects. All core processes including large-capacity winding forming, vacuum integral oil immersion, heavy steel tank welding and full-load aging testing are independently completed in-house. Our 2000kVA products feature low full-load loss, strong overload redundancy, high structural safety and excellent harsh environment adaptability, with stable grid-level operation performance. Factory audits and third-party grid-standard inspections are highly welcomed.
3. Customization, Dimension & Heavy-Duty Installation
Q12: Can you provide non-standard customization for 2000kVA grid and industrial special scenarios?
A12: We support full grid-grade non-standard customization for complex heavy-load scenarios. Customizable items include multi-national grid voltage matching, dead-front/live-front structural switching, loop-feed/radial-feed mode optimization, grid-grade anti-theft and anti-vandal cabinet design, extreme low-temperature (-40℃) and high-temperature (+55℃) adaptation upgrade, IP protection grade enhancement, urban landscape color spraying and customized load-bearing foundation size. Key grid-level accessories such as load break switches, pressure relief valves and intelligent temperature control devices can be equipped with designated international brands. All customized schemes are confirmed in formal technical agreements to fully match grid access and industrial construction standards.
Q13: Can you provide professional foundation drawings and accurate weight data? Is the equipment suitable for cross-border heavy cargo transportation?
A13: We provide complete professional technical data including accurate overall dimension drawings, civil load-bearing foundation design drawings, embedded part parameters and net/gross weight data with formal quotation. As an oversized heavy-duty grid device, we will conduct pre-assessment of over-limit transportation risks in advance, provide professional heavy hoisting schemes, road limit detection and cross-border heavy cargo transportation solutions, and support one-stop logistics risk control to ensure safe delivery of key project equipment.
Q14: What professional export packaging is adopted for 2000kVA large transformers?
A14: For the heavy-duty and large-volume characteristics of 2000kVA equipment, we adopt graded industrial export packaging. Short-distance land transportation adopts full oil-sealed integral packaging for direct on-site placement and rapid grid connection. For long-distance ocean transportation and transnational heavy cargo delivery, we adopt oil-drained nitrogen-filled anti-oxidation protection + heavy-duty shockproof fumigated wooden box packaging, equipped with high-precision impact and tilt recorders for whole-process transportation monitoring, effectively protecting internal large windings, insulation systems and precision grid components from collision, moisture and deformation damage.
4. Production & Grid-Grade FAT Acceptance
Q15: What is the production lead time for 2000kVA transformers? How to guarantee delivery for key grid and industrial projects?
A15: Due to complex grid-grade craftsmanship and mandatory full-load aging test, the production cycle of standard 2000kVA pad-mounted transformers is 28–38 working days. For customized harsh environment adaptation models and batch grid project orders, the cycle is 38–48 working days. The accurate delivery schedule is clearly specified in the contract. We arrange exclusive project tracking, regularly update assembly, testing and aging progress, and implement priority production scheduling for key grid and new energy projects to ensure on-time delivery and meet project commissioning deadlines.
Q16: Are customer and third-party grid-standard witnessed FAT available?
A16: We fully support on-site FAT witnessing by customers and authoritative third-party grid inspection institutions such as SGS, BV and TUV. We coordinate full-load test schedules in advance, provide complete raw material qualification certificates, production process traceability records and grid-standard full test data reports, ensuring the acceptance process is transparent, compliant and traceable, meeting the strict access acceptance standards of utility grids and large EPC projects.
Q17: Are core components traceable? Are key grid-grade processes outsourced?
A17: All grid-level core components (high-grade silicon steel core, heavy-duty winding, industrial high-temperature insulating oil, grid-type load break switch, intelligent protection device, high-voltage bushing) have complete batch traceability records and international grid qualification certificates. All key processes including core superposition, winding forming, vacuum pressure oil immersion, sealed welding and full-load aging test are independently completed in-house without outsourcing, ensuring consistent grid-level product performance and operational reliability.
5. Quotation, Payment & Customs Clearance
Q18: How long is the quotation valid for 2000kVA large grid equipment? Will prices fluctuate with bulk raw materials?
A18: The standard fixed-price quotation validity is 15 days. For large batch grid projects and long-term strategic cooperative new energy projects, we can extend the quotation validity up to 180 days. Affected by bulk copper and steel price fluctuations for high-capacity equipment, expired quotations will be re-evaluated and updated according to the latest market prices to ensure transparent and reasonable project pricing.
Q19: What payment terms are supported for large grid equipment? Is L/C acceptable for EPC projects?
A19: We support flexible international engineering payment terms suitable for grid and industrial projects, including TT telegraphic transfer and irrevocable sight L/C. The advance payment ratio and installment cycle can be flexibly negotiated according to order volume and project grade. All commercial terms are clearly written in formal export contracts to protect the legitimate rights and interests of both parties and adapt to international EPC project procurement specifications.
Q20: Can you provide preferential certificates of origin for tariff exemption of grid equipment?
A20: We can provide complete customs clearance documents including CO certificate of origin, FORM E, FORM A and other preferential certification files, which help customers apply for tariff reduction and exemption for large power equipment, reduce project procurement costs, and ensure efficient and smooth cross-border customs clearance of grid-grade heavy equipment.
6. Packaging, Logistics & Insurance
Q21: Does the heavy-duty export packaging meet international ocean freight standards for large grid equipment?
A21: All packaging adopts industrial heavy-duty anti-rust, moisture-proof, shockproof and weather-resistant integrated treatment, specially customized for large outdoor grid electrical equipment adapting to long-term ocean voyage and multiple transshipment. Export wooden boxes have standard IPPC fumigation marks, fully complying with international quarantine and sea freight regulations. The sealed packaging structure can resist high-salt, high-humidity and stormy marine environments, avoiding equipment corrosion, structural deformation and component damage during long-distance transportation.
Q22: What logistics solutions are available for oversized 2000kVA transformers?
A22: For oversized and overweight 2000kVA grid equipment, we provide exclusive professional heavy logistics schemes: special bulk carrier sea freight for global long-distance delivery; China-Europe heavy-duty railway transportation for Eurasian inland grid projects; special heavy-duty flatbed truck transshipment for neighboring cross-border key projects. We provide one-stop oversized cargo declaration, route planning and risk control services to solve all logistics difficulties of large grid equipment.
Q23: What is the cargo damage claim process for heavy grid equipment transportation?
A23: All exported 2000kVA grid transformers are fully insured with high-value industrial cargo transportation insurance. Within 48 hours after equipment arrival, customers can collect on-site photos, videos, transportation waybills and impact recorder data as valid evidence and submit claim applications. We provide full set of contract documents, grid-grade test reports and packing lists to assist rapid claim settlement, subject to official insurance policies and third-party professional assessment results.
7. SAT & Grid-Grade Commissioning Service
Q24: Do you provide overseas on-site grid-standard installation and full commissioning services?
A24: We provide global one-stop grid-grade professional technical services for high-capacity pad-mounted transformers, including on-site foundation load-bearing acceptance, equipment hoisting positioning, high/low voltage wiring verification, full-load debugging, harmonic detection, grid-tie test and SAT grid acceptance, with independent engineering service quotation. Meanwhile, 24/7 free remote professional technical support is available to quickly solve on-site installation, debugging and grid-connected operational faults, ensuring compliant grid connection and stable power transmission of key grid and new energy projects.
8. Warranty & Grid-Grade After-sales Service
Q25: What is the warranty period and coverage for 2000kVA grid transformers?
A25: The standard grid-grade warranty period is 2 years. For provincial grid projects, large industrial parks and centralized MW-level new energy projects, the warranty period can be extended to 3–5 years. The warranty covers all factory manufacturing defects and original grid-grade accessory quality faults, including winding, core, sealing system and intelligent protection device failures caused by production problems. Faults caused by improper on-site operation, man-made damage, overload beyond design standard and unauthorized disassembly modification are excluded from the warranty scope.
Q26: Can you supply original grid-grade spare parts after warranty expiration?
A26: We provide lifelong supply of original genuine grid-grade spare parts for all sold 2000kVA transformers, including special industrial sealing accessories, grid-type load switch components, intelligent temperature/pressure protection devices and core wearing parts, ensuring long-term stable heavy-load operation of key project equipment and solving the problem of difficult matching of high-capacity grid equipment accessories.
Q27: What is the technical support response speed for key grid projects?
A27: We provide 24/7 all-weather grid-dedicated online technical support, responding to grid equipment faults and technical consultation within 30 minutes. For on-site maintenance demands of key grid and industrial projects, professional senior grid engineers can be arranged to arrive at the site within 5–10 working days worldwide. For sudden grid power supply faults causing large-area power outages, we activate an emergency response mechanism immediately to minimize project economic losses and grid operation risks.
Q28: What is your factory quality control system for 2000kVA grid-grade transformers?
A28: We implement strict full-process grid-grade ISO quality management system, focusing on core indicators of high-capacity equipment: full-load loss control, heavy-load structural stability, long-term sealing reliability, overload resistance and grid harmonic adaptability. Each 2000kVA transformer passes mandatory full-load aging test, insulation withstand test, pressure sealing test and partial discharge test before delivery. We fully support third-party grid-standard factory audits and quality inspections by BV, SGS and other authoritative institutions to ensure all products meet global utility grid and heavy industrial operation standards.
Capacity: 2000KVA Pad Mounted Transformer
Rated voltage:12.47kV, 13.8kV, 20kV, 33kV, 34.5kV,35kV;
Maximum operating voltage：38.5kV
| Pad Mounted Transformer Technical Specification | |||||||||
| RatedPower(KVA) | H.V(KV) | L.V（V） | Loss(W) | Dimension（CM） | Weight(KG) | ||||
| No-loadLoss (W) | On-loadLoss (W) | W | D | H | Oil Weight | Total Weight | |||
| 75KVA | 34.5KV 19.92KV 13.8KV 13.2KV 7.62KV 12.47KV 7.2KV |
240V480V4 80Y/277V 600Y/347V |
180 | 1250 | 1390 | 910 | 1430 | 120 | 645 |
| 112.5KVA | 200 | 1500 | 1420 | 920 | 1430 | 138 | 729 | ||
| 150KVA | 280 | 2200 | 1510 | 980 | 1530 | 201 | 989 | ||
| 225KVA | 400 | 3050 | 1600 | 1000 | 1660 | 230 | 1195 | ||
| 300KVA | 480 | 3650 | 1660 | 1080 | 1680 | 260 | 1415 | ||
| 500KVA | 680 | 5100 | 1810 | 1160 | 1790 | 325 | 1905 | ||
| 750KVA | 980 | 7500 | 2030 | 1300 | 2030 | 535 | 2755 | ||
| 1000KVA | 1150 | 10300 | 1651 | 1549 | 1854 | 650 | 3235 | ||
| 1500KVA | 1640 | 14500 | 2210 | 1470 | 2150 | 748 | 5835 | ||
| 2000KVA | 2160 | 20645 | 2380 | 1600 | 2220 | 950 | 6430 | ||
| 2500KVA | 2680 | 27786 | 2480 | 1650 | 2330 | 1020 | 8865 | ||
Qingdao Hengfengshuai Electric Co., Ltd
WhatsApp： +86 152 6625 8801
Address: No. 251, Xingyang Road, Chengyang District, Qingdao, Shandong
Email: hfs@hengfengshuai.com
Customer service email: service@hengfengshuai.com
website:https://www.hengfengshuai.com
