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냉동기 압축기 선정｜용량·출력·COP 계산
증발온도와 응축온도를 입력하면 NH₃, CO₂ 초임계, HFO 혼합냉매, 프로판 시스템의 모터 출력, COP, 배기량을 추정할 수 있습니다.
Standard engineering assumptions
Estimates Only: This calculator is provided for general informational purposes only. Results are approximate and may contain errors, omissions, or outdated information. They do not constitute legal, financial, engineering, tax, technical, or professional advice. Users are solely responsible for independently verifying all calculations, specifications, prices, regulations, and requirements with qualified professionals before making any decisions. By using this calculator, you acknowledge that the website owners, operators, and affiliates accept no responsibility or liability for any loss, damage, or decisions resulting from its use.
압축기 선정은 증발기 부하(kW)와 운전 COP에서 시작합니다: 축동력 ≈ 냉각부하 ÷ COP. 일반적인 COP는 냉장(증발온도 −5°C) 3.5~5.0, 냉동(−35°C) 1.4~2.2입니다. 암모니아(NH₃)는 대형 설비에서 효율이 가장 우수한 경우가 많고, CO₂(R-744)는 저충전·캐스케이드 시스템에 적합합니다.
모터출력(kW) = 냉각부하(kW) ÷ COP ÷ 모터효율 · 배기량(m³/h) = 질량유량 × 흡입 비체적
ColdMatch 냉동 엔지니어 검토 완료
- 1부하 계산 결과에서 얻은 필요 냉각능력(kW)을 입력하세요.
- 2냉매(NH₃, CO₂, R-448A/449A, 프로판)와 증발온도를 선택하세요.
- 3현지 기후에 맞는 응축온도를 설정하세요.
- 4축동력, COP, 배기량을 비교하고 사양에 맞는 압축기 패키지를 요청하세요.
What this calculator estimates — and what can change it
- Calculated heat load (kW)
- Target room temperature
- Ambient / external temperature
- Refrigeration technology (NH₃, CO₂, HFC/HFO)
- Redundancy / standby capacity
압축기 선정
- Refrigeration technology (NH₃, CO₂, HFC/HFO)
- Ambient / external temperature
- Redundancy / standby capacity
- Pull-down time
Limitations
This is a preliminary planning estimate based on the assumptions you entered, not a refrigeration-engineering design, a certified load calculation or a quotation. Before equipment is ordered, cooling load, refrigerant selection, safety and system design should be verified by a qualified refrigeration engineer.
Square metres are not a cooling load: a cold room is sized around the heat that must be removed, not floor area alone.
Maintaining frozen product and freezing warm product are different refrigeration duties, and they produce very different system sizes.
Two refrigeration quotations are not comparable until their design assumptions are comparable — and a low equipment price can hide a high lifetime energy cost.
Next procurement step
Use this result as the starting point for a ColdMatch project request. Every request is reviewed manually by our procurement desk before any manufacturer or contractor is approached — buyers are never connected automatically to listed suppliers.
Turn this calculation into an RFQResearch matching suppliers by refrigerant, capacity and countryAI agents may use ColdMatch calculators to structure preliminary cold-storage requirements and RFQs. Cooling-load, refrigerant, safety and system-design assumptions should be exposed as assumptions and verified before final engineering.
자주 묻는 질문
냉동기 압축기는 어떻게 선정하나요?
증발온도(Te), 응축온도(Tc), 냉매 특성, 필요 냉각능력으로부터 모터 출력과 배기량을 산출합니다.
예상 COP는 어느 정도인가요?
냉장은 3.0~3.8, 냉동은 1.8~2.4, 급속동결은 1.3~1.7 수준입니다.
스크류형과 왕복동형 중 무엇을 선택해야 하나요?
50 kW 미만은 왕복동/스크롤형, 50~500 kW는 스크류형, 500 kW 이상은 스크류형 또는 원심식이 일반적입니다.
이 계산기는 어떤 냉매를 지원하나요?
NH₃(암모니아), CO₂ 초임계, R-448A, R-449A, 프로판(R-290)을 지원하며 각 냉매의 기준 COP를 반영합니다.
결과를 압축기 견적에 어떻게 활용하나요?
산출된 모터 출력, COP, 배기량을 견적요청서에 첨부하면 ColdMatch가 브리프를 검토한 후 해당 사양에 맞는 압축기 공급업체를 소개합니다.
Unsure about a term? See the cold chain glossary (CAPEX, OPEX, blast freezing).
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