phase sequence protection

Brand Name:GINRI

Model Number:JVR800-2

Place of Origin:China

...Phase Digital Voltage Monitoring Relay JVR800-2 Overvoltage-Undervoltage Phase Sequence Asymmetry Protect ♦ Features -- Compact modular 43mm housing -- Microprocessor technology provides highly accurate and repeatable protection -- Built-in LCD and keypad afford a precise digital setting -- Adjustable over- and undervoltage,phase unbalance threshold -- Independent adjustable delay time for overvoltage, undervoltage, voltage unbalance, phase

Brand Name:GINRI

Model Number:JVR800-2

Place of Origin:China

...Phase Digital Voltage Monitoring Relay JVR800-2 Overvoltage-Undervoltage Phase Sequence Asymmetry Protect ♦ Features -- Compact modular 43mm housing -- Microprocessor technology provides highly accurate and repeatable protection -- Built-in LCD and keypad afford a precise digital setting -- Adjustable over- and undervoltage,phase unbalance threshold -- Independent adjustable delay time for overvoltage, undervoltage, voltage unbalance, phase

Brand Name:GINRI

Model Number:JVRD6

Place of Origin:China

Phase loss Three Phase Voltage Monitoring Relay protection against improper phase sequence Phase loss protectors, also known as motor phase failure protectors or power phase loss protectors, are commonly used on three-phase motor circuits. If a single ...

Brand Name:GINRI

Model Number:JVRD6

Place of Origin:China

Phase loss Three Phase Voltage Monitoring Relay protection against improper phase sequence Phase loss protectors, also known as motor phase failure protectors or power phase loss protectors, are commonly used on three-phase motor circuits. If a single ...

Brand Name:XIWUER

Model Number:CD-10kV-M20/P20

Place of Origin:XIAN, SHANNXI CHINA

...Protection of zero sequence/phase sequence measurement system ) CD-10kV-M20/P20 Electrical Characteristics Voltage Division Ratio Phase Sequence: 10kV/ √3,3.25V/√3 Zero Sequence: 10kV/V3,6.5 /√3 Temperature Characteristics Phase Sequence: -40C~70°C ≤ ±0.5% Zero Sequence: -40 C~70 C ≤ ±1.0% Capacitance...

Brand Name:SULAB

Model Number:HD XJ12

Place of Origin:China

...Sequence Three-Phase AC Protection Relay HD XJ12 Brand SULAB Part No. HD XJ12 MOQ 1PC Transportion TNT, UPS, DHL, Fedex, Air, Sea Applicable Escalator Packages Carton, Wooden case, Pallet etc Delivery Time Normally 2-3 working days after payment Payment Method Company Bank, Western union, Paypal etc Pictures for Original Elevator Spare Parts Sequence Three-Phase AC Protection...

Brand Name:GFUVE

Model Number:TEST-330-90A

Place of Origin:BEIJING CHINA

... very high accuracy more than 0.1%. This unit is not only an excellent test set for protection devices of all kinds but also a universal calibrator. It can as a ac or dc current source and voltage, 0-10A, 0-130V accuracy 0.1%. Its unique accuracy and

Brand Name:HNMC

Model Number:MCRT40

Place of Origin:China

...Phase voltage & 3 Phase current output Protection Relay Test Equipment With Fault Playback Main Test of 4 Phase voltage & 3 Phase current output, 1.AC TEST 2.DC TEST 3.Harmonic Superposition Test 4.High-Low Frequency Test 5.Power Direction & Impedance Test 6.Synchronization Test 7.Full Group Test 8.Distance & Zero Sequence Protection 9.Characteristic of Impedance 10.Differential Protection...

Brand Name:HNMC

Model Number:MCRT40

Place of Origin:China

...Phase voltage & 3 Phase current output Protection Relay Test Equipment With Fault Playback Main Test of 4 Phase voltage & 3 Phase current output, 1.AC TEST 2.DC TEST 3.Harmonic Superposition Test 4.High-Low Frequency Test 5.Power Direction & Impedance Test 6.Synchronization Test 7.Full Group Test 8.Distance & Zero Sequence Protection 9.Characteristic of Impedance 10.Differential Protection...

Brand Name:GINRI

Model Number:JVRD6

Place of Origin:China

Phase Monitoring Relay Phase Loss Sequence Relay Voltage Protective Relay ♦ Features -- Compact modular size -- Three-phase monitoring of phase reversal, phase failure -- Powered by the measuring circuit -- 2 C/O contacts -- 2 LEDs for status indication -- Phase reversal -- Phase...

Brand Name:GINRI

Model Number:JVRD6

Place of Origin:China

Phase Monitoring Relay Phase Loss Sequence Relay Voltage Protective Relay ♦ Features -- Compact modular size -- Three-phase monitoring of phase reversal, phase failure -- Powered by the measuring circuit -- 2 C/O contacts -- 2 LEDs for status indication -- Phase reversal -- Phase...

Place of Origin:China

Brand Name:OEM

...phase to phase overvoltage protection Replay for hydro-generators, gas turbine generators and pumped-storage generators Protection for Generator Current differential protection. (87G) Unrestrained instantaneous differential protection. (87UG) DPFC current differential protection. (87G) High sensitive transverse differential protection. (87G) Longitudinal zero sequence overvoltage protection...

Model Number:VC850

Place of Origin:CHINA

...Phase Sequence Meter Features of VC850 Positive/Negative/Lacking 3 Phase Sequence Meter 1.This meter specializes in phase sequence and phase failure examine of three phase simple alternating current. 2.LED and buzzer indicate positive phase sequence, negative phase sequence and lacking phase. 3. Best quality with low price. Technical parament of VC850 Positive/Negative/Lacking 3 Phase Sequence...

Model Number:VC850

Place of Origin:CHINA

...Phase Sequence Meter Features of VC850 Positive/Negative/Lacking 3 Phase Sequence Meter 1.This meter specializes in phase sequence and phase failure examine of three phase simple alternating current. 2.LED and buzzer indicate positive phase sequence, negative phase sequence and lacking phase. 3. Best quality with low price. Technical parament of VC850 Positive/Negative/Lacking 3 Phase Sequence...

Brand Name:GINRI

Model Number:JVRD-380W

Place of Origin:China

...Phase Loss Protection 3 Phase Monitoring Relay With Din Rail Mount Features Compact modular size Three-phase monitoring of phase sequence,phase loss,over and undervoltage and phase unabalance Adjustable over-and undervoltage threshold and dela y time(for JVRD-xxxW) Neutral loss monitoring (for JVRD-xxxN&JVRD-NK) Powered by the measuring circuit 2C/O contacts Max 5 LEDs for status indication Protective Function Phase loss(failure) Phase

Brand Name:GINRI

Model Number:JVRD-380W

Place of Origin:China

...Phase Loss Protection 3 Phase Monitoring Relay With Din Rail Mount Features Compact modular size Three-phase monitoring of phase sequence,phase loss,over and undervoltage and phase unabalance Adjustable over-and undervoltage threshold and dela y time(for JVRD-xxxW) Neutral loss monitoring (for JVRD-xxxN&JVRD-NK) Powered by the measuring circuit 2C/O contacts Max 5 LEDs for status indication Protective Function Phase loss(failure) Phase

Brand Name:GDZX

Model Number:XZ-2

Place of Origin:Hubei, China

...Phase Sequence Indicator Product introduction XZ-2 High Voltage Phase Sequence Indicator can test voltage 50V-500V and 6kV above, check if the phase sequence is A-B-C for three phase power source. It is simple to operate and small in size. Features 1. Red moving lamp means positive phase sequence, green moving lamp means negative phase sequence...

Brand Name:GDZX

Model Number:XZ-2

Place of Origin:China

...Phase Sequence Indicator Product introduction XZ-2 High Voltage Phase Sequence Indicator can test voltage 50V-500V and 6kV above, check if the phase sequence is A-B-C for three phase power source. It is simple to operate and small in size. Features 1. Red moving lamp means positive phase sequence, green moving lamp means negative phase sequence...

Brand Name:GDZX

Model Number:XZ-2

Place of Origin:China

...Phase Sequence Indicator Product introduction XZ-2 High Voltage Phase Sequence Indicator can test voltage 50V-500V and 6kV above, check if the phase sequence is A-B-C for three phase power source. It is simple to operate and small in size. Features 1. Red moving lamp means positive phase sequence, green moving lamp means negative phase sequence...

Brand Name:XIWUER

Model Number:EVY3.2/4.2/5NF

Place of Origin:XIAN,CHINA

...Phase Sequence Metering Transformer used in ring grid cabinets, circuit breakers Introduction Capacitive voltage metering and protection transformer is an electronic transformer designed according to the principle of capacitance dividing voltage, which is widely used in complete sets of equipment such as switches on 12KV columns, ring grid cabinets, circuit breakers, etc., to be used as a function of phase sequence...