SIPROTEC 4 7UM61/62
7UM62는 보호계전장치 이상의 부가 기능을 갖고 있다.기능에 비하여 소형이고 경제적인 장치로 소형, 중형, 대형 발전기의 보호를 위해 설계 되었으며 적용되는 설비는 다음과 같다.
- 수력, 양수 발전기
- 열병합 발전기
- 바람 또는 생물 가스 같은 재생하는 에너지 원천을 사용하고 있는 발전기
- 디젤 엔진 발전기
- 기체 터빈 발전소 산업상의 발전소
- 종래의 증기력 발전소
하드웨어
․ 8 CT
․ 4 VT
․ 7/15 BI
․ 12/20 BO
․ Two AO 0 to 20 mA modules (4 channels)
․ 7/14 LED for local alarm
_________________________________________________________________
Description
The SIPROTEC 4 7UM61 protection relays can do more than just protect. They also offer numerous additional functions. Be it
earth faults, short-circuits, overloads, overvoltage, overfrequency or underfrequency, protection relays assure continued
operation of power stations. The SIPROTEC 4 7UM61 protection relay is a compact unit which has been specially developed and designed for the protection of small and medium-sized generators. They integrate all the necessary protection functions and are particularly
suited for the protection of :
– Hydro and pumped-storage generators
– Co-generation stations
– Private power stations using regenerative energy sources such as wind or biogases
– Diesel generator stations
– Gas-turbine power stations
– Industrial power stations
– Conventional steam power stations.
The device can also be used for protecting synchronous and asynchronous motors. The integrated programmable logic functions (continuous function chart CFC) offer the user high flexibility so that adjustments can easily be made to the varying
power station requirements, on the basis of special system conditions.
The flexible communication interfaces are open for modern communication architectures with the control system
Function overview
Basic version
• Stator earth-fault protection
• Sensitive earth-fault protection
• Stator overload protection
• Overcurrent-time protection (either definite-time or inverse-time)
• Definite-time overcurrent-time protection, directional
• Undervoltage and overvoltage protection
• Underfrequency and overfrequency protection
• Reverse power protection
• Overexcitation protection
• External trip coupling
Standard version
Scope of basic version plus:
• Forward-power protection
• Underexcitation protection
• Negative-sequence protection
• Breaker failure protection
Full version
Scope of standard version plus:
• Inadverdent energization protection
• 100%- stator earth-fault protection with 3rd harmonic
• Impedance protection
Asynchronous motor
Scope of standard version plus
• Motor starting time supervision
• Restart inhibit (without underexcitation protection)
Monitoring functions
• Trip circuit supervision
• Fuse failure monitor
• Operational measured values V, I, f,…
• Every metering valueWp,Wq
• Time metering of operation hours
• Self-supervision of relay
• 8 oscillographic fault records
Communication interfaces
• System interface
– IEC 60870-5-103 protocol
– PROFIBUS-DP
–MODBUS RTU
– DNP 3.0
- 수력, 양수 발전기
- 열병합 발전기
- 바람 또는 생물 가스 같은 재생하는 에너지 원천을 사용하고 있는 발전기
- 디젤 엔진 발전기
- 기체 터빈 발전소 산업상의 발전소
- 종래의 증기력 발전소
하드웨어
․ 8 CT
․ 4 VT
․ 7/15 BI
․ 12/20 BO
․ Two AO 0 to 20 mA modules (4 channels)
․ 7/14 LED for local alarm
_________________________________________________________________
Description
The SIPROTEC 4 7UM61 protection relays can do more than just protect. They also offer numerous additional functions. Be it
earth faults, short-circuits, overloads, overvoltage, overfrequency or underfrequency, protection relays assure continued
operation of power stations. The SIPROTEC 4 7UM61 protection relay is a compact unit which has been specially developed and designed for the protection of small and medium-sized generators. They integrate all the necessary protection functions and are particularly
suited for the protection of :
– Hydro and pumped-storage generators
– Co-generation stations
– Private power stations using regenerative energy sources such as wind or biogases
– Diesel generator stations
– Gas-turbine power stations
– Industrial power stations
– Conventional steam power stations.
The device can also be used for protecting synchronous and asynchronous motors. The integrated programmable logic functions (continuous function chart CFC) offer the user high flexibility so that adjustments can easily be made to the varying
power station requirements, on the basis of special system conditions.
The flexible communication interfaces are open for modern communication architectures with the control system
Function overview
Basic version
• Stator earth-fault protection
• Sensitive earth-fault protection
• Stator overload protection
• Overcurrent-time protection (either definite-time or inverse-time)
• Definite-time overcurrent-time protection, directional
• Undervoltage and overvoltage protection
• Underfrequency and overfrequency protection
• Reverse power protection
• Overexcitation protection
• External trip coupling
Standard version
Scope of basic version plus:
• Forward-power protection
• Underexcitation protection
• Negative-sequence protection
• Breaker failure protection
Full version
Scope of standard version plus:
• Inadverdent energization protection
• 100%- stator earth-fault protection with 3rd harmonic
• Impedance protection
Asynchronous motor
Scope of standard version plus
• Motor starting time supervision
• Restart inhibit (without underexcitation protection)
Monitoring functions
• Trip circuit supervision
• Fuse failure monitor
• Operational measured values V, I, f,…
• Every metering valueWp,Wq
• Time metering of operation hours
• Self-supervision of relay
• 8 oscillographic fault records
Communication interfaces
• System interface
– IEC 60870-5-103 protocol
– PROFIBUS-DP
–MODBUS RTU
– DNP 3.0