参数表及额定参数
明确拟供型号及资料需要覆盖的电气额定参数。
针对您的项目发送需求HEAKOR / 买家须知
变压器采购，
更清晰。
实用的变压器购买指南，帮助您在购买前做出决定。
准备技术要求，核对资料范围，并按同一口径比较方案。
选择您的下一个任务
你在做什么？
- 01识别设备和应用
- 02定义电气和场地要求
- 03列出文件和审批需求
- 04明确数量、目的地和时间
指南库
阅读。查看。准备。
使用这些指南为您的技术团队和供应商准备问题。项目文件决定最终选择。
27 Oct 2026
Dry-Type Transformer Temperature Rise vs Insulation Class
Compare dry-type transformer temperature rise with insulation class. Align the offered rating, site conditions, thermal guarantee and supporting evidence bef...
阅读指南
26 Oct 2026
Buchholz Relay Gas Sampling: Ground-Level Package Scope
Buchholz relay gas sampling at ground level requires a reviewed accessory package. This EPC procurement checklist covers relay compatibility, tubes, fittings...
阅读指南
26 Oct 2026
Dry-Type Transformer Winding Substitution: Approval Checks
Dry-type transformer winding substitution from copper to aluminum requires a documented design review. Compare guaranteed losses, dimensions, terminations an...
阅读指南
26 Oct 2026
Transformer Winding Resistance: Factory vs Site Reports
Transformer winding resistance reports need matching temperature, tap and terminal conditions for meaningful factory-to-site comparison. This EPC guide expla...
阅读指南
25 Oct 2026
Transformer Oil Sampling Points: Procurement Guide
Transformer oil sampling points need more than a valve line item. Agree point identity, fluid source, access, connection details and laboratory-equipment res...
阅读指南
25 Oct 2026
Transformer Neutral Grounding: NGR Supply Scope
For transformer neutral grounding with an external resistor, agree the neutral-terminal details, supply boundaries and coordinated drawings before accepting ...
阅读指南
25 Oct 2026
Pad-Mounted Transformer Foundation Openings
Pad-mounted transformer foundation openings need a coordinated review of the proposed equipment, pad and conduit drawings. Identify the controlling revisions...
阅读指南
25 Oct 2026
Transformer Dielectric Test Schedule: Winding and Terminal Coverage
A buyer’s guide to agreeing winding and terminal coverage in a liquid-immersed transformer dielectric test schedule, without confusing technical scope with w...
阅读指南
25 Oct 2026
Transformer SFRA Baseline: Agree the Reference Before Shipping
A transformer SFRA baseline is useful only for its intended comparison. Agree the transformer condition, reference purpose, data handover and engineering rev...
阅读指南
25 Oct 2026
Dry-Type Transformer Reverse Feeding: Is a Step-Up Offer Suitable?
Dry-type transformer reverse feeding needs more than matching nameplate voltages. Separate manufacturer-supported alternatives from unresolved substitutions ...
阅读指南
22 Oct 2026
Oil-Immersed Transformers for Motor Loads: Define the Starting Duty
Oil-immersed transformer enquiries for motor loads need more than running-load kVA. Define the motor-start duty, supply conditions and voltage criteria so th...
阅读指南
22 Oct 2026
Transformer Oil Containment: Agree the Civil Interface Before Order
Transformer oil containment requires a clear equipment-to-civil handover. Confirm oil inventory, drawings, site interfaces and named responsibilities before ...
阅读指南比较报价
将各方案
放在同一口径下。
只有拟供设备和供货范围一致，价格才可比较。下单前应记录并解决差异。
设备
将容量、电压、相数、频率、阻抗、冷却和安装要求与相同规格进行比较。
文件和测试
明确拟供型号、图纸、所需试验报告及强制批准要求，核对包含和不包含的内容。
商业范围
以书面形式比较数量、交付条款及指定地点、包装、运输、交期、付款及质保。
项目文件
资料准确，型号对应。
告诉我们项目需要哪些资料。资料可提供性及适用范围将针对拟供型号和配置确认。
外形图和连接图
说明您需要检查的安装、电缆入口和间隙要求。
针对您的项目发送需求测试及批准文件
列出所需的测试、标准或批准，以及相关的型号或配置。
针对您的项目发送需求您的项目/下一步
好的决策始于明确的要求。
发送您所掌握的详细信息。我们可以在确认其余要求的同时开始对话。
讨论您的项目